Partners
Ioannis Ventourakis — Chairman of the Board

Architect (National Technical University of Athens - School of Architecture).
Ioannis Ventourakis was born in 1947. He is one of the two principals of BETAPLAN S.A., which he co-founded in 1972. He has been in charge for the design, management, permitting procedure and construction supervision of a large number of major cultural, healthcare, education, transportation, hospitality, residential and sports projects, as well as of smaller projects dealing with ancient monuments. He has wide experience in project management and coordination, including the entire range of administrative and contractual issues. He is an expert in the architectural aspects of the restoration, renovation and maintenance of traditional buildings and monuments.
He is also very experienced in the collaboration with foreign architectural firms for some of the most prominent recent projects in Greece. His projects include the design of some of the most significant venues for the Athens 2004 Olympic Games, the permitting, preparation of the Law and bidding procedure for the New Acropolis Museum, the design in collaboration with Cooper Robertson and Partners and in particular the coordination of the local team of experts involved in the Stavros Niarchos Foundation Cultural Center project and the preparation of the Law ratified for this specific project, as well as the full design in collaboration with Renzo Piano Building Workshop, along with a big team of foreign and local consultants, the permitting and bidding procedure and the construction supervision of Stavros Niarchos Foundation Cultural Center.
Panagiotis Tavaniotis — Managing Director

Architect, born in 1947. He is a partner and managing director of BETAPLAN S.A., which he co-founded in 1972. He obtained a Certificate of Specialization in Healthcare and Welfare Buildings (ACTIM, Paris, 1983). He has wide experience in the management of the design process and the construction supervision of various types of buildings and building complexes, such as, hospitals, theatres, housing, offices, cultural centers and monuments. He is a highly qualified expert in healthcare strategic planning and operational policy, design management for health facilities and welfare buildings, as well as accessibility for the disabled. He has participated as a member in several technical committees and was a visiting lecturer at the Postgraduate National School of Public Health between 1994 - 2002.
Associates
Thomas Amargianos — Principal Architect

Architect, born in 1961. He joined BETAPLAN in 1990 and has since collaborated on a large number of major projects. Among the projects he worked as architect in charge are included the 7 Regional Airports of Greece, the Metro Red Line South Elevated & At-Grade in Doha, Qatar, the Stavros Niarchos Foundation Cultural Center, the Lazaristes’ Theatre & Cultural Center in Thessalonica, the Athens Olympic Games Weight Lifting Stadium, the Athens Olympic Games Sports Complex (in collaboration with Santiago Calatrava), the Lyric Theatre of Corfu, the International Airport of the Island of Kos, the new Metro (13 stations) in Thessalonica and for the Tourist Resort and Golf Development in Messinia (Costa Navarino).
Eleni Tzanou — Principal Architect

Mrs Tzanou is an architect and an associate with BETAPLAN S.A. since 1990. She has a Master of Arts in Architectural Building Conservation from De Montfort University in Great Britain. Mrs Tzanou is very experienced in the collaboration with foreign architectural firms for some of the most prominent projects in Greece. Her projects include the coordination of the design of some of the most significant venues for the Athens 2004 Olympic Games, the Stavros Niarchos Foundation Cultural Center, the Municipal Athletic and Recreational Park of Kallithea.
Eleni Koghilaki — Principal Architect

Mrs Koghilaki is an architect graduated from the National Technical University of Athens and an associate with BETAPLAN S.A. since 1980. She has in depth experience in the design of projects and she is actively involved in the design and supervision of public and private developments including the preliminary, final design, tender documents and construction supervision stages. She has wide experience in various types of projects, which include healthcare facilities, building conservation, urban design and landscaping, educational buildings etc.
Elias Arkoulis — Senior Architect - Contract Manager

Architect/planner/environmental consultant, born in 1948. He is an associate with BETAPLAN since 2001. He studied architecture in Milan, Italy, and town planning in Paris and London. He worked in Great Britain for 22 years as the Planning & Environmental Services Manager with YRM Architects & Planners and then as a free-lance planning consultant. He was also for 7 years a senior visiting lecturer at the Faculty of the Environment of the University of Greenwich. He has wide experience in the planning and environmental aspects of major developments, as well as the management and coordination of international projects. His international professional experience comprises projects in several countries including Great Britain, Portugal, France, China, Turkey and Saudi Arabia. He is a member of the British Royal Town Planning Institute.
Antonella Solomonidi — Senior Project Architect

Mrs Solomonidi is an architect graduated from the N.T.U.A. with a post-graduate diploma in urban design from Paris - Belleville school of Architecture and an associate with BETAPLAN S.A. since 1992. She has worked for several architectural practices, both in Athens and Paris, before joining BETAPLAN. She has wide experience in the design management and coordination of major development projects such as the Metro Red Line South Elevated & At-Grade in Doha, Qatar, the Stavros Niarchos Foundation Cultural Center, the “Lazaristes Theatre and Cultural Centre” in Thessalonica, the “Athens 2004” Olympic Games Weight Lifting Stadium, the Lyric Theatre of Corfu, The International Airport of Kos.
Maria Vitta — Senior Project Manager

Mrs Vitta is an associate and project manager with BETAPLAN S.A. She has studied mechanical engineering at the Technical Training Institute of Athens. Before joining BETAPLAN in 1990, she worked for five design consultancies. Mrs Vitta is a highly experienced consultant in all the stages of the design and management of projects, both in Greece and overseas. She has managed a large number of design projects including hospitals, housing, government buildings, offices and cultural centers.
Konstantina Andreadou — Senior Architect

Mrs Andreadou is an architect, interior designer and an associate with BETAPLAN S.A. since 1992. She has wide experience in the design and project management of major developments projects. Among the projects, she worked as architect, are included the Lazaristes' Theatre and Cultural Centre in Thessalonica, the Athens Olympic Games Weight Lifting Stadium, the Lyric Theatre of Corfu etc.
Margarita Ventouraki — Senior Project Designer

Mrs Ventouraki joined Betaplan in 2000 and has since been involved in the design and coordination of several major projects, including the Metro Red Line South Elevated & At-Grade in Doha, Qatar, the Stavros Niarchos Foundation Cultural Center, The Museum of Greek Folk Art (ΜΕΛΤ).
Petros Tavaniotis — Senior Project Architect

Architect, born in 1975. He joined BETAPLAN in 1998 and has been an associate since 2004. He studied Architecture in Athens (Diploma in Architecture, Faculty of Architecture, NTUA 2001) and Environmental Design of Buildings in Cardiff, Wales (M Sc from the Welsh School of Architecture, Cardiff University, 2003). His experience includes the design of several public and private projects of various types, such as hospitals, museums, office buildings, railway stations, theatres, private housing, educational buildings, sports facilities, churches etc. Examples of his experience in Passive Design include the Art Gallery of Arta, the Athens Children Oncology Unit, the Police Academy in Komotini, the Serafio Swimming Pool and Cultural Centre etc. LEED Green Associate since 2013. WELL AP since 2021.
Ourania Karagianni — Senior Architect
Zoi Frantzi — Architect
Annita Matrakidou — Architect
Nikos Livathinos — Architect
Marousso Chanioti — Architect
Georgia Bountouraki — Architect
Vassiliki Koutsimbou — Architect - BIM Manager
Stavroula Cherouvim — Architect
Christina Kelaidi — Architect
Katerina Tzachrista — Architect
Kostis Kallipolitis — Architect
Dr. Eleni Oikonomopoulou — Architect
Marina Lazaridi — Architect
George Stamatakis — Interior Designer
Elias Tsavelis — Architect
Giorgos Mavrikis — Architect
Loukas Protopapas — Architect
Anastasia Konstantinidi — Architect
Christos Marmaras — Project Manager
Artemis Merkourea — Architect
Eleni Katsiampi — Architect
Katerina Boulougoura — Architect
Konstantina Georgoula — Architect
Staff
HRM/ QAM
George Karatzas
Graphic Arts
Georgios Zoppas
Artemis Tsoukala
Draft Persons
Aleka Gyzi
Maria Tsekoura
IT Manager
Marios Kafetzis
IT Personnel
Iosif Roussos
Photographer
Nikolas Ventourakis
Administration
Iro Porgioti
Fani Lilou
Maria Sella
Accounting
Katerina Sochoriti
Eleni Polichronaki
Dimitra Adamopoulou
Vasso Rizou
Secretarial Department
Angeliki Papadopoulou
Anna Pitsinou
Foreign Collaborators
Arup (NY, USA- UK- Germany – Netherlands)
Cooper Robertson and Partners (NY, USA)
Deborah Nevins and Associates (NY, USA)
Expedition (UK)
Front (NY, USA)
Renzo Piano Building Workshop (France)
Santiago Calatrava (Switzerland)
Theatre Projects Consultants (USA-UK)