Our Team

Scientific Director 

Xenophon Contiades 
Xenophon Contiades is Professor of Public and Social Law. He is also Scientific Director of the Centre for European Constitutional Law – Themistokles & Dimitris Tsatsos Foundation (since 1995). He teaches at the Hellenic Open University and at the National Centre for Public Administration. He has published 20 monographies in public and European law, over seventy articles in the Greek, English and German languages in the fields of public law, social security, and EU law. He has participated as scientific coordinator, researcher or expert in many international research, instititution building and technical assistance projects worldwide. 

Executive Director – Director of International Projects 

Maria Mousmouti 
Maria’s work throughout the years consists in supporting, documenting and assisting reform initiatives through research and capacity-building in areas related to judicial independence, public administration reform, constitutional reform, human rights and quality of regulatory systems and legislation. She has actively worked in more than 20 countries in Southern Europe, the Middle East, Africa and Central Asia. 

She holds a degree in law (University of Athens), a post-graduate degree in comparative social security law (Katholieke Universiteit Leuven) and a PhD in law and legislative studies (University of London). She has a broad specialisation in different aspects of legislating and quality of legislation, having followed specialised courses on regulatory impact assessments (College of Europe), Legislative Drafting (Institute of Advanced Legal Studies, University of London) and having worked extensively on projects aiming to make legislation simpler and more accessible, introduce evidence-based methods in legislating and reduce bureaucracy-related costs. Her doctoral research focused on the effectiveness of legislation and the ways in which it can be promoted, particularly with regard to human rights legislation.
Maria is a lawyer called before the Bar of Athens since 2000 and served as Research Associate to the (late) Member of European Parliament Prof. Dr. Dr. h.c. Dimitris Th. Tsatsos (2002-2004). She has been cooperating with the Centre for European Constitutional Law since 1999, having worked there as project manager (1999-2002), as Director of International Projects (2002-2007) and as Executive Director (2007- today).


Financial and Administrative Director 

Tanya Kagia
Tanya Kagia holds a Bachelor of Science in Business Administration with major in Accounting and Finance from the American College in Greece, Deree College. She is also studying Business Administration in the Hellenic Open University. She is fluent in English and Russian.  

Development assistance projects

Annie Kamarioti
Annie Kamarioti has a bachelor in Business Administration from the University of Piraeus and a Master's degree in International Relations-Political and Economic Development from Columbia University. She is fluent in English, German and French.


Despina Tsolakaki
Despina Tsolakaki holds a bachelor degree from the Department of Cultural Technology and Communication of the Aegean University and a Master's degree in "Management and Economics of Telecommunication Networks", Department of Informatics and Telecommunications from National and Kapodistrian University of Athens, with scholarships. She is fluent in English and has basic knowledge of French.

Tender preparation coordinator 

Cleopatra Christopoulou
Cleopatra Christopoulou has a Law degree from the University of Athens and has worked as a journalist. She is fluent in English and French and has basic knowledge of Italian and Spanish. 

Twinning projects coordinator 

Beatrice Giannoglou 
Beatrice Giannoglou holds a bachelor degree from the Department of International and European Studies of the Panteion University. She is fluent in English, Italian and Spanish.  

Head of Secretariat - Coordinator of events 

Natasa Kaoustou 
Natasa Kaoustou has been part of the secretariat team of the Centre for European Constitutional Law since 2002 and in 2003 she became head of secretariat and executive secretary of the Honorary President Dimitris Th. Tsatsos. She is fluent in English. 


Chryssoula Kolitsa 
Chryssoula Kolitsa has a degree in library administration science and information systems. She is fluent in English. 


Nikos Konstantis 
Nikos Kostantis is a graduate of the University of Piraeus and has a postgraduate degree in marketing (University of Wales). He is member of the Economic Chamber of Greece and has extensive accounting experience. He is the Head Accountant of the Centre for European Constitutional Law since 1995. He is fluent in English. 

Educational department coordinator 

Beatrice Giannoglou 

IT Support 

Stratos Balis 
Stratos Balis holds a Bachelor degree in Mutlimedia Computing. He is responsible for the IT support of the Centre for European Constitutional Law since 2012. He is fluent in English.