About Us

Dr. Panayotis Kontothanasis

Vice President & Managing Director

Panayotis Kontothanasis is the Vice President & Legal Representative of OMIKRON KAPPA CONSULTING S.A. He is a Dr. Geotechnical & Mining Engineer with 30+ years of extensive experience in large scale infrastructure and engineering projects requiring overall management, coordination and expertise skills. Has been engaged in the engineering design of infrastructure projects and has successfully implemented and operated a great number and variety of challenging projects in UAE, Albania, India, Qatar, Bulgaria, Serbia-Montenegro, Venezuela, Israel, Germany, Romania, Cyprus, Slovakia, Lithuania, Russia, Ethiopia, Ghana and in all major concession highway projects in Greece. Devoted into ensuring overall project success by integrating qualified services and commits himself into bringing a wealth of technical expertise and practical experience to standstills. Proficient in contract management, interfacing with all disciplines and human resources management. Highly motivated, with the expertise and initiative needed to be inspirational “mentor”, with the ability to develop strategy plans, identify opportunities and implement pioneer design and construction methodologies in order to turn to advantage and optimize project execution, by effectively managing risks and placing strategy goals. A well-recognized expert with numerous publications in the relevant sector.

Nikos Koronakis

President & CEO

Nikos Koronakis is the President & CEO of OMIKRON KAPPA CONSULTING S.A. and a Geotechnical &Mining Engineer with over 3 decades of extensive experience in large scale infrastructure and engineering projects requiring overall management, coordination and expertise skills. Nikos Koronakis has a successful leadership track record with extensive experience and professional knowledge on all types of projects life cycle, from inception to construction and turnkey. Has participated and operated in full spectrum in various infrastructure projects abroad such as in the UAE, Qatar, India, Germany, Slovakia, Bulgaria, Romania, Cyprus, Serbia-Montenegro, Venezuela, Albania, Russia, as well as, in all major concession highway projects in Greece. The diversity of project experience gained in decades brings a wealth of technical expertise and practical experience to project standstills. A dynamic, result-oriented, committed and innovative executive manager, showing outmost responsibility and concentration. Significantly experienced in managing from start to end projects, from design to construction. A well-recognized expert with numerous publications in the relevant sector.

Apostolos Athanasiou

Senior Civil / Geotechnical Engineer

Apostolos Athanasiou is a Civil Engineer graduate of the National Technical University of Athens (NTUA 1999) and holds a postgraduate degree in the Design and Construction of Underground Works from the same university. He has more than 20+ years of experience both in the public and private sector, in a wide range of fields such as: design elaboration (geotechnical, structural, architectural, energy efficiency – bioclimatic architecture), construction supervision (public & private works), preparation of tender documents, BoQs & cost estimates, building permits issuance. Moreover, Apostolos is a developer of iOS & Windows applications.

Marilia Balasi

Principal Civil / Geotechnical - Tunnel Engineer / Technical Lead

Marilia is a Principal Civil / Geotechnical - Tunnel Engineer / Technical Lead and since 2009 she has taken part in a great number of international infrastructure projects. She is highly skilled in Tunnel & Underground Design, Geotechnical/Structural Design and Finite Element Analysis. She holds a Master’s Degree in the Design and Construction of Underground Works from National Technical University of Athens. She is a member of the Greek Tunnelling Society (GTS) steering committee & former Editor of GTS Tunnel Bulletin.

Christos Biliris

Principal Civil / Geotechnical - Tunnel Engineer / Technical Lead

Christos Biliris is a Principal Civil / Geotechnical - Tunnel Engineer / Technical Lead Senior Tunnel, MSc, DIC with 20 years of professional experience in the fields of geotechnical and structural engineering, rock and soil mechanics, both in Greece and abroad. He is specialized in geotechnical – structural projects, in the design of temporary and final linings of tunnels, slope stability analysis, dams, high embankments, as well as, flood protection projects. He has significant experience in the use of sophisticated geotechnical and structural analysis tools, including two-and three-dimensional limit equilibrium methods and finite element modeling. Christos is experienced in the design of ground improvement measures, in the foundation design of structures, buildings and towers. Additional expertise includes liquefaction assessment, engineering seismology and numerical modeling and simulation. He has been managing the design of infrastructure projects and leading design teams, successfully delivering demanding projects on time and within budget.

Harilaos Boursianis

Civil / Structural Engineer

Ηarilaos Boursianis has graduated from the Department of Civil Engineering at Patras University, Greece (2016). His work experience so far was focused on the provision of technical assistance for the development and conducting of various specialized scientific analysis for structural engineering software as well as on providing engineering consulting services for various projects financed from the European Union Development Fund. He is a proficient user of numerous scientific software applications for civil engineering projects.

Nikolaos Bousoulas

Geotechnical / Tunnel Engineering Advisor

Nikos Bousoulas is a Civil Engineer, AUTH 1981 and holds a MSc degree in Geotechnical Engineering. He has more than 40 years of professional experience in the design and construction of large-scale public infrastructure projects. His activities concern, among others, tunneling works, underground stations, shafts, railway infrastructure and other major infrastructure / civil engineering projects. His experience in the context of these projects covers the fields of Technical Management, Project Management, Contract Management, Specification Drafting, Geological and Geotechnical Investigations, Geotechnical Designs, Risk Engineering Management, BIM Project Management and Asset Information Management.

Ilias Chatzidimitriou

Junior Civil / Structural Engineer

Ilias Chatzidimitriou is a Civil Engineer graduate of the National Technical University of Athens (NTUA 2024), has recently obtained his Master’s diploma in “Earthquake Engineering” from Imperial College London and stood out throughout his academic career. He is enthusiastic about implementing the knowledge gained and launching his professional career at OMIKRON KAPPA CONSULTING S.A.

Andreas Delentas

Geotechnical / Mining Engineer

Andreas Delentas is a Mining & Geotechnical Engineer MSc (2020) with a Master’s degree in Design and Construction of Underground Works both from the National Technical University of Athens. Throughout his academic career has received numerous awards for excellence and achievement. He is a proficient user of scientific programs (Rocscience, Surpac GEOVIA, AutoCad, Matlab & Pathfinder etc.).

Spyros Digenis

Senior Civil / Structural Engineer

Spyros Digenis is a Civil / Structural Engineer (2010) and holds a MSc degree in Structural Engineering. He has more than 10 years of professional experience in the structural design of new and existing buildings. He has elaborated numerous designs for private and public sectors, such as private residences, industrial facilities, indoor arenas, theaters, museums, bus stations and airport buildings. Additionally, he is experienced in seismic assessment and retrofitting of protected listed buildings. His involvement extends from conceptual design to the provision of technical consultancy services towards the construction site.

Nikos Gakis

Principal Civil / Geotechnical Engineer

Nikos Gakis is a Principal Civil / Geotechnical Engineer with 25 years of professional experience in the design of large-scale infrastructure projects both in Greece and abroad. His experience covers of wide range of projects from highways and railways, to earth dams/embankments, waste landfills, wind & solar parks and power station facilities. Nikos is specialized in the fields of earthworks (slopes, embankments), landslide rehabilitation, retaining and support measures for soil and rock slopes, in situ geotechnical monitoring, organization and monitoring of earthworks Q.C. and in soil conservation projects.

Dr. Andreas – Gerasimos Gavras

Senior Civil / Geotechnical Engineer

Andreas - Gerasimos Gavras is a Civil Engineer (N.T.U.A.) and holds M.Sc. and PhD degrees in Geotechnical Engineering from the University of California, Davis, USA. He is highly skilled with over 10 years of experience in soil–structure interaction and geotechnical earthquake engineering. Andreas is a diligent and methodical Geotechnical Engineer with a positive attitude, an inquiring and analytical mindset and solid software skills. He has proven ability of working independently as well as within a team, and exhibits great composure and maturity. He has numerous publications in the relevant field and has received a great number of honors and awards throughout his academic career.

Dr. Konstantinos Giannopoulos

Principal Civil / Geotechnical Engineer / Technical Lead

Dr. Konstantinos Giannopoulos is a Principal Civil / Geotechnical Engineer, Meng, ACGI, DIC, PhD, PMP / Technical Lead with over 15 years of professional experience in the design of large-scale infrastructure projects. His experience and expertise cover design from scheme development throughout detailed design, construction validation & control, as well as, resolution of construction and post-construction issues. Dr. Giannopoulos demonstrates outstanding leadership & managerial skills and he is an effective coordinator in teamwork environment with extensive experience in the field of multidisciplinary work.

Kleomenis Ioannou

Senior Field Engineering Geologist

Kleomenis Ioannou is an Engineering Geologist graduated from AUTH 2005. He has more almost 20 years of professional experience in the design and construction infrastructure projects, including dams and mines. His activities concern, among others, Geological and Geotechnical Designs and Investigations and Mining Designs.

Athina Kaliouraki

Principal Field Structural / Geotechnical Engineer / QA Manager

Athina Kaliouraki is a Civil / Geotechnical Engineer MSc (NTUA). Her experience spans for over 25 years, having been actively involved in large-scale infrastructure projects (mainly motorways and metro as well as major dam and mining projects) both in Greece and abroad (mainly Balkans and Cyprus). Athina has successfully undertaken and completed Construction Supervision Roles and has acted as Designer on Site Representative in numerous project assignments.

Dr. Vasileios Kallimogiannis

Senior Geotechnical / Structural Engineer

Vasileios Kallimogiannis is a Civil Engineer from NTUA, maintains a master's degree and a PhD in Geotechnical Engineering as well as a master's degree in Business Administration (MBA). He is specialized in geotechnical engineering, with special emphasis on rock mechanics. He has five years’ experience in geotechnical designs and research programs relevant to slope stability, protection of historical monuments, probabilistic analysis of seismic hazards and to foundation of dams, having collaborated with research teams in Greece and abroad. Additionally, he has seven years’ experience in the execution and interpretation of rock mechanics laboratory tests. During his academic tenure he was teaching assistant of three undergraduate courses at the School of Civil Engineering of NTUA. Moreover, he has received 2 state scholarships for the elaboration of PhD thesis, 3 awards from D. Thomaidis foundation and has numerous publications in the relevant field. He is also an invited reviewer in international scientific journals (eg BOEG).

Panagiotis Kapelios

Civil / Structural Engineer

Panagiotis Kapelios is a Civil / Structural Engineer and holds a MSc degree in Structural Engineering (N.T.U.A.) He has 5 years of varied structural engineering experience in numerous projects. He is enthusiastic and highly motivated, with excellent communication skills and solid experience in structural design and analysis implementing various Codes of Practice.

Christos Karafoulidis - Retsos

Junior Civil / Structural Engineer

Christos Karafoulidis - Retsos has graduated from the National Technical University of Athens (2023). He is highly motivated and diligent. Christos is a competent user of various scientific software applications: SCADA Pro, Midas Gen, SOFiSTiK, SAP2000, SeismoStruct, DIANA FEA, AutoCAD and enjoys participating in multidisciplinary projects.

Lampros Karageorgos

Senior Field Engineering Geologist

Lampros Karageorgos is a Senior Engineering Geologist with almost 3 decades of professional experience in large scale infrastructure projects performing Construction Supervision and Designer on Site Representative Roles. Experience ranges from motorways, underground constructions, earthworks, geotechnics, foundations, shafts, and associated structures with emphasis on underground tunnels using observation methods according to NATM / TBM and drill & blast techniques. Proficient in FIDIC conditions of contract and in ensuring compliance with contractual documents, requirements and specifications as well as coordinating handover documentation and relevant procedures. Experience includes Health and Safety Regulations monitoring.

Olga Katsa

Principal Engineering Geologist / Technical Lead

Olga Katsa is a Principal Project Director, Principal Engineering Geologist / Geoscientist with over 2,5 decades of experience background in contract management. She has long valuable contribution in large scale infrastructure and mining projects. She has lead teams in elaborating numerous designs of technical and mining works, retaining structures & walls, slope stability audits in οpen cuts and embankments, landslides, earthworks, flood protection. OIga is responsible for developing strategy and managing Omikron Kappa’s resources to best serve clients around the globe. She is additionally in charge of the project management & technical direction of multi-disciplinary projects through all phases of design.

Dimitrios Katsaris

Principal Geotechnical - Tunnel / Mining Engineer / Technical Lead

Dimitrios Katsaris is a Principal Geotechnical - Tunnel / Mining Engineer / Technical Lead with a post graduate master’s degree in Design & Construction of Underground Works (NTUA) and over 20 years of international experience. During his professional career has lead and directed detailed design teams in numerous challenging mega projects, mainly for contractors, under strict timeframes and budgets in the field of metros, highways/ railways, NATM design and underground works, specialized geotechnical works (foundations/embankments on liquefiable materials, landslide rehabilitation, works deployment and staging in areas with a weak and delicate geotechnical response, innovative MSEW and cut design in extremely adverse geological and geometrical conditions). To date Dimitrios has cooperated with world leading contractors and companies and has strategically managed and directed geotechnical teams and has succeeded in reaching maximum performance of both human and financial resources.

Yannis Kourelis

Senior Civil / Geotechnical Engineer

Yannis Kourelis is a Civil Engineer from National Technical University of Athens with a MSc in Soil Mechanics and Engineering Seismology from Imperial College London. Yannis has accumulated demonstratable well-rounded experience in specialist geotechnical engineering through approximately 5 years of design experience in projects in the United Kingdom, Greece, Estonia and Balkan area. He has been involved in most aspects of geotechnical engineering, from planning and supervising ground investigations works to designing shallow and piled foundations, retaining structures and earthworks.

Apostolos Kozompolis

Principal Civil / Geotechnical Engineer

Apostolos Kozompolis is a Civil Engineer (N.T.U.A., 1995) and holds a Μ.Εng. degree in Civil and Environmental Engineering from the University of California at Berkeley, USA (1998). He has solid background on a wide range of projects within the field of large-scale multi-use developments, underground structures and tunnels, highway / railroad, flood control, etc. Apostolos has 9 years of professional experience in the USA with project management and project coordination rοles and 15 years of professional experience in major Greek consultancy companies in a variety of projects (Greek and International). Project engagements involve: deep / shallow foundations, deep excavations, slope stability, soil improvement, seismic risk analysis, etc. He has numerous publications in the field of geotechnical engineering and has received a great number of honors and distinctions throughout his academic career.

Georgia Laskari

Junior Civil / Geotechnical Engineer

Georgia Laskari has graduated from the department of Civil Engineering of the National Technical University of Athens Greece (2023). Her experience so far is focused on quality control and on supervision of industrial facilities projects. She is an independent user of numerous scientific programs in the relevant field. Georgia is a member of OMIKRON KAPPA CONSULTING S.A. team since September 2024.

Ersi Lazari

Civil / Structural Engineer

Ersi Lazari is a Civil Engineer, Graduate of the National Technical University of Athens, Greece (2021). She has experience in a wide range of building and civil engineering projects, both in the analysis and design of new reinforced concrete and steel structures as well as in the structural assessment of existing structures made of concrete and/or load-bearing masonry. She is an independent user of numerous scientific software in the relevant field. As of September 2024, Ersi has been a member of OMIKRON KAPPA CONSULTING S.A. engineering team.

Agis Livas

Field Engineering Geologist

Agis Livas is an Engineering Geologist graduate of the Geology Department of Aristotle University of Thessaloniki Greece (2014), having a MSc in Applied & Environmental Geology from the same University (2017). Agis also holds a MSc/DIC diploma from Imperial College London in Petroleum Geoscience (2019) as a scholar. Having secured the necessary teamwork skills Agis is ready and prepared to work in a demanding and specialized working environment. He has 4 years of experience in GIS & respective Data Analysis projects with the use of special scientific programs (QGIS and OpenJUMP GIS). In addition, he was laboratory Assistant at Sedimentary Petrology Course at the Department of Geology of A.U.Th. His interests include volunteering activities (International Geological Congresses, UNICEF programs and Basketball team of the University). Since September 2024 Agis is a member of OMIKRON KAPPA CONSULTING S.A. engineering team.

Michalis Mantziaras

Junior Civil / Structural Engineer

Michalis Mantziaras is a Civil Engineer (Aristotle University of Thessaloniki, 2022) and holds a Master’s Degree in Bridge Engineering (University of Surrey U.K., 2024). He is a diligent and methodical engineer with a positive attitude, inquiring and analytical mindset and solid software skills. He has a good background in the fields of: Structural & Bridge Engineering (for reinforced and pre-stressed concrete / steel / composite structures), computational geotechnical Engineering and Soil-Structure interaction. He also has experience in a wide range of structural (Midas Civil, SCIA, IDEA StatiCa, SAP2000 etc.) and geotechnical (PLAXIS 2D/3D etc.) software. Michalis is passionately involved in challenging civil engineering/building/structural projects within the field of bridge and structural engineering. He is adaptable and hardworking, enjoying working within multicultural and multidisciplinary teams.

Panayotis Mantziaras

Principal Structural / Geotechnical - Tunnel Engineer / Technical Lead

Panayotis Mantziaras is a Principal Structural / Geotechnical - Tunnel Engineer, MSc / Technical Lead with over 3 decades of actual experience with an extended background of project and contract management and coordination. He is fully qualified in Highway, Rail, Hydro/Dam, Mining projects and specialized in the elaboration of geotechnical, structural and tunnel designs. He has led and had contract management and coordination roles in the design of numerous projects worldwide. He is an effective coordinator of team performance, able to manage a number of teams simultaneously. Experience covers Project & Construction Management, Consultancy, Design and Engineering Coordination. Has a broad experience in resolving technical problems, fact that allows him to play a key role in overcoming any challenge and constraint of complex engineering projects.

Ilias Marras

Junior Civil / Geotechnical / Mining Engineer

Ilias Marras is a Civil Engineer (Aristotle University of Thessaloniki, 2025), a Mineral Resources Engineer (Technical University of Crete, 2008) and holds a Master's Degree in the Design and Construction of Underground Works from National Technical University of Athens Greece. Ilias has so far gained experience in the design of underground mining activities, in structural designs of building projects and in quality control of major road construction projects. He has been actively involved in the field of Health and Safety at Work and maintains NEBOSH International Certification. In the past he has worked in the concrete production industry. He is an experienced user of AutoCAD, Deswik, Scada Pro, 3Muri scientific software.

Maria Merkouri

Junior Civil / Geotechnical Engineer

Maria Merkouri is a Civil Engineer from the Department of Civil Engineering at University of Patras (2022). Maria is a young yet diligent and methodical engineer with a keen interest in geotechnical and geoenvironmental engineering. Maria is involved in flagship company projects.

Evi Monokrousou

Junior Civil / Structural Engineer

Evi Monokrousou is a Civil Engineer graduate of University of Thessaly (2024). She has 2 years of experience in the construction sector and already has background in a range of fields such as: structures’ architectural design, construction supervision, rebar inspection, technical assistance in the execution of public works & tenders' preparation, drafting of payment certificates. Since September 2025 Evi has joined the scientific department of OMIKRON KAPPA CONSULTING S.A.

Dimitris Mouroukis

Principal Civil / Structural Engineer / Technical Lead

Dimitris Mouroukis is a Principal Civil / Structural Engineer, MSc / Technical Lead with more than 20 years of national & international experience ranging from conceptual to detailed structural designs in major infrastructure projects. He has led numerous multidisciplinary design teams for the design of different types of structures (stations, bridges, buildings, tunnels) and has drafted relevant design and construction specifications. Specialized in the implementation of Eurocodes for structural and seismic design of concrete/steel structures, as well as, other National Codes of Practice (Indian, British, Hellenic Standards etc.). Combination of expert visionary, strategic, and advanced innovative technical resolution skills to formulate and enact solutions quickly and decisively. Integrity and interpersonal skills that cultivate strong business relations and partnership networks.

Nikos Orestis

Senior Field Structural / Geotechnical Engineer / Deputy QA Manager

Nikos Orestis is a Civil Engineer specialized in Structural Engineering. He has 30 years of professional experience in design and construction supervision of civil and architectural works (structural strengthening, residential development, offices, commercial retails, industrial projects / buildings) as well as of geotechnical works (reinforcement, foundations, embankments, slopes, tunnels). He has successfully completed many projects from the position of Construction Manager, Construction Supervisor, Quality Assurance Engineer.

Sofia Panagi

Senior Civil / Structural Engineer

Sofia Panagi is a Senior Civil / Structural Engineer and holds a MSc degree in Seismic Engineering (N.T.U.A.) She has 7 years of varied structural & geotechnical engineering experience in various projects. Since October 2022 Sofia is a member of OMIKRON KAPPA CONSULTING S.A.

Konstantinos Pandis

Principal Civil / Geotechnical Engineer

Konstantinos Pandis is a Principal Civil / Geotechnical Engineer (NTUA) and graduate of Imperial College of Science, Technology and Medicine (U.K.), awarded with the M.Sc., D.I.C. degrees in the field of Soil Mechanics – Environmental Geotechnics. His experience spans for over 30 years, having been involved with the elaboration of geotechnical designs of large-scale infrastructure projects (road and railway) both in Greece and abroad (mainly in Saudi Arabia, the Balkans and United Kingdom). Has been extensively involved with the use of numerical methods (e.g. Finite Elements) and of non-linear soil models, from the beginning of the 90s and has managed to develop integrated perception of the complexity of the geotechnical engineering problems, especially of those relating to ‘soil - structure interaction’. He has the ability, not only to investigate and produce innovative solutions but also to decompose and simplify them in a ‘step by step’ manner so as to share them, as a mentor, with other engineering members providing valuable technical guidance, in order for them to reach solid understanding of the scientific aspects governing their effectiveness.

John Pantazis

Principal Structural Engineer / CAD Manager

John Pantazis is a Civil Infrastructure Engineer with more than 20 years of experience in major infrastructure, highway, tunnel and mining projects. As Site Construction Engineer he has been engaged in construction, site organization, supervision and safety to quantity surveying, time and cost scheduling of works and contract administration. He has held the position of Technical Office Engineer for Contractor and Subcontractors on site. For the last decade, John provides Designer On Site Follow-Up Services and Technical Consulting Services with main tasks ranging from supervision, evaluation, design modification, application designs and tackling with construction issues. He displays sound engineering judgment and skills, while maintaining excellent relationship and interface with engineering and construction members.

George Papadakos

Principal Civil / Geotechnical Engineer

George Papadakos is a Principal Civil / Geotechnical Engineer, and holds a Master's Degree in Structural Engineering. He has 25 years of professional experience in geotechnical engineering and extensive involvement in the design of infrastructure projects. He is fully qualified and experienced in the preparation of geotechnical reports for energy, road, hydraulic, railway projects as well as for solid and liquid waste management projects, with a focus on the design of foundations, retaining walls, landslide rehabilitation measures and various geotechnical problems.

Dimitris Papadimitriou

Senior Field Engineering Geologist / QA

Dimitris Papadimitriou is an Engineering Geologist graduate of the Geology Department of Aristotle University of Thessaloniki Greece (1998), having a MSc in Applied & Environmental Geology from the same University (2020). Dimitris is currently under PhD thesis elaboration at the Department of Geology of Aristotle University of Thessaloniki Greece. He has almost 3 decades of experience in various environments from mining to civil infrastructure projects and motorways as well as health & safety and quality assurance procedures. Since September 2024 Dimitris is a member of OMIKRON KAPPA CONSULTING S.A. engineering team.

Damianos Papadopoulos

Senior Engineering Geologist

Damianos Papadopoulos is an Engineering Geologist, graduate of the National and Kapodistrian University of Athens (1995) and holds two Master degrees. A MSc in Engineering Geology from the University of Leeds and a MSc in the Design and Construction of Underground Works from the National Technical University of Athens (NTUA). He brings over 25 years of experience in geological and geotechnical engineering, with a strong track record in major infrastructure projects across Greece and internationally in numerous fields such as: Drill & Blast and TBM tunneling projects in Greece, China, Qatar, and the U.A.E., foundation designs and landslide mitigation projects.

Artemis Papageorgiou

Junior Civil / Geotechnical Engineer

Artemis Papageorgiou has graduated from the School of Engineering of Newcastle University and holds a Masters in Civil Engineering (2022). Has been involved in projects mainly in the fields of geotechnical engineering in Greece. She is willing and diligent, competent user of numerous scientific software programs such as Slide, SWedge, GGU-Footing, BetonExpress, FIDES DV-Partner and more, as well as drawing software such as AutoCAD, Civil 3D and Rhino.

Dimitris Papatsikourakis

Field Engineering Geologist

Dimitris Papatsikourakis is an Engineering Geologist graduated from Aristotle University of Thessaloniki Greece (2018). He has 5 years of experience in supervision and evaluation of geotechnical investigations as well as geological site surveys for mining and highway – railway infrastructure projects. He is also experienced in executing laboratory testing of soil and rock mechanics. Since March 2024 Dimitris is a member of OMIKRON KAPPA CONSULTING S.A. engineering team.

Kyriakos Papoutsakis

Principal Civil / Structural Engineer

Kyriakos Papoutsakis is a Civil & Structural Engineer (N.T.U.A.). Holds a Masters’ Degree in Management & Business Administration (Athens MBA). Kyriakos is highly skilled with more than 15 years of extensive experience in large scale infrastructure projects (underground metro stations, retaining & pile walls etc.) and buildings requiring overall management, coordination and expertise skills. Has participated and operated in full spectrum in infrastructure projects abroad such as in Qatar and in India, as well as, in major infrastructure projects and buildings in Greece. He is result oriented, exhibits outmost responsibility, excellent organizational and communicational skills and is proficient in team work, analytical thinking and numerical analysis elaboration. Kyriakos enjoys working within multi-cultural teams showing great composure and maturity even under stressful circumstances. Kyriakos is an enthusiastic learner and constantly enriches his knowledge and studies.

Vaios Pontikas

Senior Field Structural / Geotechnical Engineer / QA

Vaios Pontikas is a Civil Engineer specialized in Structural Engineering, Rural and Surveying Engineering as well as Renewable Energy Projects. He has more than 30 years of professional experience in the design and construction supervision of civil infrastructure works.

Dr. George Prountzopoulos

Principal Civil / Geotechnical - Tunnel Engineer / Technical Lead

George Prountzopoulos is a Principal Civil / Geotechnical - Tunnel Engineer / Technical Lead and a Dr. Civil Engineer with 17 years of experience in design and research of large infrastructure / engineering projects, engaged as a designer, design manager, consultant and researcher. Has participated in and led design teams implementing all stages of design execution, as well as, reviewing and offering design / construction follow-up services for significant infrastructure projects in Greece and abroad, mainly in India and Romania. His experience spreads to urban & mountain tunnel and underground excavation projects using conventional and mechanized excavation methods, earthworks and retaining structures of highway and railway works, as well as, landslides rehabilitation. A dedicated, responsible and experienced engineer, focused on providing added value to projects throughout all stages of conception, design and execution. George has advanced communication and cooperation skills. A well-recognized professional with numerous publications in the relevant sector.

Anton Sidawi

Principal Civil / Structural Engineer / Technical Lead

Anton Sidawi is a Principal Civil / Structural Engineer, MSc / Technical Lead with more than 2 decades of extensive experience in large scale infrastructure, structural engineering and tunnelling projects. He is a dedicated and committed principal engineer with specialized knowledge and enhanced abilities to ensure project success. Anton is highly motivated, with the expertise and initiative needed to overcome any adverse project standstill even in very stiff timetables. Has been engaged in structures’ and tunnels design for highway, railway, metro and infrastructure projects for 2 decades and has successfully elaborated a great number and variety of challenging international projects.

Konstantinos Sidiropoulos

Junior Architectural Engineer

Konstantinos Sidiropoulos has graduated from the Department of Architectural Engineering of the National Technical University of Athens Greece (2021). He is willing to work towards personal and professional goals achievement, with the ability to work with multicultural and multidisciplinary teams.

Katerina Skovola

Junior Civil / Geotechnical Engineer

Katerina Skovola is a Graduate Civil Engineer of the National Technical University of Athens, Greece (2023). Her thesis was focused on geotechnical engineering and more particularly in the fields of Numerical Analysis of Lateral Spreading Displacements in Channels of Limited Width. She has gained one (1) year of experience in the elaboration of designs, site inspections, surveying and mapping. She is an independent user of numerous scientific software in the relevant field. As of April 2025, Katerina has joined OMIKRON KAPPA CONSULTING S.A. engineering team.

Penelope Sotiriou

Junior Engineering Geologist

Penelope Sotiriou is an Engineering Geologist graduated from Aristotle University of Thessaloniki Greece (2019) and maintains a MSc in Applied & Environmental Geology from the same university (2021). Since July 2023 Penelope is a member of OMIKRON KAPPA CONSULTING S.A. engineering team. Her experience so far is focused on supervision and evaluation of geotechnical investigations and on geological site surveys for mining, highway infrastructure and building projects.

Vlassis Stathopoulos

Geotechnical / Mining Engineer

Vlassis Stathopoulos is a Mining & Geotechnical Engineer (2017) and holds Master’s Degree in «Design & Construction of Underground Works» (NTUA 2020). His theses concern special geotechnical works and current engagement is related to the design and numerical analysis for mining projects. Since 2020 he is a project engineer of OMIKRON KAPPA CONSULTING S.A.

Konstantina Tasiouli

Senior Civil / Structural Engineer

Konstantina Tasiouli is a qualified structural engineer with over 15 years’ experience in the field of analysis and design. She has been competently participating in projects such as metro (mainly stations), bridges, highway related structures, industrial facilities, sports centers, assessment and retrofitting of buildings and masonry monuments in Greece and internationally (UAE, Qatar, India, Germany and Cyprus). She displays excellent leadership skills in organizing team works, as well as, insightful analytical thinking and numerical analysis skills. An individual that always takes the initiative to further proceed and implement new technologies in the design.

Lysimachos Tigkas

Civil / Geotechnical Engineer

Lysimachos Tigkas is a Civil Engineer from Dundee University (UK) and holds a Master's degree in Geotechnical Engineering from Delft University of Technology (Netherlands). Since November 2023, he is a PhD candidate in the fields of Geotechnical Engineering at the National Technical University of Athens. He has 4 years of professional experience in a wide range of research and infrastructure projects in Europe and U.S.A.

Panayotis Tsimopoulos

Principal Geotechnical / Mining Engineer / Technical Lead

Panayotis Tsimopoulos is a Principal Geotechnical / Mining Engineer, MSc / Technical Lead with over 18 years of professional experience, both in Greece and abroad. He is specialized in mining & geotechnical engineering, rock / soil engineering, design of underground works, geology – hydrogeology, earthworks designs, environmental impact analysis (EIA) processes, slope stability and landslide analysis and engineering, foundation – support measures, infrastructure works feasibility and design, in situ geotechnical monitoring and rock mass behavior testing, rockmass reinforcement techniques and underground openings support selection, stress and displacement analysis and numerical modelling of rock masses. He is significantly experienced in the use of sophisticated geotechnical analysis tools and 3D design tools. Has led various mining, geotechnical & tunnelling designs and has worked internationally (Greece, Albania, Romania, Cyprus, UAE, Qatar) with a wide range of clients deriving both from public and private sector.

Dr. George Zalachoris

Senior Civil / Geotechnical Engineer

George Zalachoris is a Civil Engineer (N.T.U.A.) and holds M.Sc. and PhD degrees in Geotechnical Engineering from the University of Texas at Austin, USA. He has a solid background on a wide range of themes within the field of geotechnical engineering, with a particular focus on geotechnical earthquake engineering. George has significant consulting experience in the design of large infrastructure projects, as well as in advanced 2D and 3D numerical modelling of complex geosystems and lifelines under natural hazard scenarios. He is a reliable team player with excellent organization and communicational skills. To date, George has collaborated with world-leading institutions (ex, University of California at Berkeley, NASA, Geopier Foundation), academics and practitioners both in the USA and Europe, he has numerous publications in the field of geotechnical engineering and has received a great number of honors and awards throughout his academic career. He is an invited reviewer in several international scientific journals (ex., BSSA, Earthquake Spectra, JGGE-ASCE, IJGCH-ISSMGE).

Eftihia Alexopoulou

Senior CAD Draftsperson

Eftihia Alexopoulou is a CAD designer with more than 25 years of experience in the production of drawings for infrastructure projects, building projects and interior and exterior architectural structures.

Eleni Bahourou

Senior CAD Draftsperson

Eleni Bahourou is a Civil Infrastructure Engineer BSc. She has more than 20 years of experience in the elaboration of drawings for major infrastructure, metro, building and bridge projects.

Voula Bitsani

Senior CAD Draftsperson

Voula Bitsani is a Surveying and Geoinformatics Engineer BSc. She has more than 30 years of experience in the production of drawings for infrastructure projects (mainly structural and architectural).

Fay Efstathiou

Senior CAD Draftsperson

Fay Efstathiou is a CAD designer with 25+ years of experience in the preparation of structural, architectural, rural & surveying, EM, industrial, construction and 3D drawings. Since September 2025 Fay has joined OMIKRON KAPPA CONSULTING S.A. CAD design team.

Dimitris Gakos

Senior CAD Draftsperson

Dimitris Gakos is a CAD designer with more than 20 years of experience in the production of drawings for infrastructure projects specializing in structural, geotechnical and mining projects.

Athina Gianni

Senior CAD Draftsperson

Athina Gianni is a CAD designer with more than 25 years of experience in the production of geotechnical and structural drawings for tunnels, bridges and numerous other structures. Since September 2025 Athina has joined OMIKRON KAPPA CONSULTING S.A. CAD design team.

Chrisa Glavina

Senior CAD Draftsperson

Chrisa Glavina is a Civil Infrastructure Engineer BSc, with a Master’s Degree in Engineering Project Management. She has more than 15 years of experience in the production of drawings for major infrastructure, highway and tunnelling projects as well as in BoQ preparation.

George Grapsas

Senior CAD Draftsperson

George Grapsas is a CAD designer with more than 35 years of experience in the production of drawings for major infrastructure projects specializing in structural projects.

Kyriakos Griveas

Senior CAD Draftsperson

Kyriakos Griveas is a CAD designer with more than 20 years of experience in the production of drawings for major infrastructure projects.

Elena Lymperidou

Senior CAD Draftsperson

Elena Lymperidou is a CAD designer with more than 25 years of experience in the production of drawings for infrastructure projects, specializing in transportation, hydraulics, geotechnical and structural projects. As of May 2025, Elena has joined OMIKRON KAPPA CONSULTING S.A. CAD design team.

Sofia Mitkou

Senior CAD Draftsperson

Sofia Mitkou is a CAD designer with more than 20 years of experience in the production of drawings for infrastructure, building and E&M projects.

Maria Panagopoulou

Senior CAD Draftsperson

Maria Panagopoulou is a CAD designer with more than 25 years of experience in the production of drawings for major infrastructure projects (mainly structural and transportation projects).

Iris Papadoloulou

Senior CAD Draftsperson

Iris Papadoloulou is a Civil Infrastructure Engineer BSc, with a Master’s Degree in Environmental Design. She has more than 15 years of experience in the production of drawings for major infrastructure projects (structural, transportation).

Voula Perouli

Senior CAD Draftsperson

Voula Perouli is a CAD designer with more than 20 years of experience in the production of drawings for infrastructure projects, specializing in geological, geotechnical and mining projects.

Maria Polyzou

Senior CAD Draftsperson

Maria Polyzou is a Civil Infrastructure Engineer BSc with a Master’s Degree in Project Management, Transportation and Spatial Planning, from Thessaly University Greece. She has 15 years of experience in the production of drawings for major infrastructure projects, highways, metros as well as in structural, architectural and rural & surveying projects.

Kostas Romanos

Senior CAD Draftsperson

Kostas Romanos is a CAD designer with 25 years of experience in the production of drawings for infrastructure projects.

Manolis Skandalis

Tax & Finance Expert

Manolis is a seasoned Tax & Finance Expert with over 30 years of experience in corporate business advisory. He ensures seamless financial operations with a strong focus on accuracy, efficiency, compliance, and continuous process optimization to support organizational growth. As a trusted partner with sharp judgment, he drives international business initiatives and develops financial models to assess tax impacts. Manolis demonstrates excellent communication and negotiation skills, combined with ownership, accountability and a strong orientation in results. He is a financial analyst with exceptional problem-solving skills and a proven track record in guiding and empowering teams

Evgenia Vezyri

Assistant Accountant

Evgenia Vezyri is an Assistant Accountant with over 10 years of experience in accounting and administrative roles. She has extensive expertise in the fields of bookkeeping, daily journal entries, accounts reconciliations, myDATA platform management and in supporting various daily, monthly, year-end accounting and tax processes and reports. In addition, Evgenia is significantly experienced in managing day-to-day operations and office procedures. She is a proficient user of advanced accounting software and of Microsoft Office suite. She is diligent, well-organized and an analytical thinker with a positive attitude and strong communication skills. Since April 2025, Evgenia is a member of OMIKRON KAPPA CONSULTING S.A. Finance Department

George Vezyris

Accounting Manager

George Vezyris is a graduate of the Economics Department of the National & Kapodistrian University of Athens. He is a member of the Economic Chamber of Greece and holds a category A’ Classification (highest) as a Tax Accountant Consultant. He has been engaged in various markets in the private sector (stock exchange, marketing) holding high responsibility roles. Since 2004 he is in charge of the financial management and accounting of OMIKRON KAPPA CONSULTING S.A., as well as, of the company’s financial statements. George has more than 20 years of experience and has sophisticated knowledge on finance, income tax of legal & natural entities, as well as, on labor issues. He is a proficient user of sophisticated accounting software.

Maria Giannatou

Tendering & Compliance Manager

Maria Giannatou is a graduate of Panteion University, Dpt. οf International, European and Area Studies. She is in charge of OMIKRON KAPPA CONSULTING S.A. tendering department for public & private works (Greece & abroad), of new business development and of the quality – environment and information technology management systems of the company (ISO 9001:2015, 14001:2015 & 27001:2013). Additionally, Maria maintains various responsibilities such as drafting and coordinating clients’ & suppliers’ contracts, preparing corporate presentations, as well as, general and special administrative responsibilities. Since 2007 she is employed by OMIKRON KAPPA CONSULTING S.A. and has an overall 20-year experience in the coherent sector.

Sofia Georganta

Administrative Officer

Sofia Georganta is an administrative employee with more than 20 years of professional experience in handling administrative and support tasks. She is a responsible and well-organized individual, with a positive attitude that undertakes initiative and maintains effective communication skills

Adrian Lotsis

Office & Technical Support Coordinator

Adrian Lotsis is an administrative employee of the company since February 2013. His duties span between auxiliary accounting department roles and IT procedures implementation. Adrian has positive attitude, is a quick learner and is eager to assist in any possible administrative field. A professional you can rely on.

Fani Melanidi

Office Manager

Fani Melanidi is an executive secretary with 20 years of professional experience in managing daily administrative and support tasks. Well-organized, positive attitude, quick learner, with effective communication and organization skills.

Venia Gkegkiou

HR Partner

Venia is a seasoned HR professional with over 25 years of experience in multinational environments. She has a proven track record of building and leading high-performing teams, collaborating with C-suite executives, and driving human capital strategies in startups, scale-ups, and mature organizations. Passionate about people, Venia brings an agile, direct, and hands-on approach to tackling challenges and delivering impactful results.