Dr. Efthymiopoulos is the Director General and Co-Founder of Strategy Internatioal (SI). A Professor of International Security and Strategy now at the Faculty of Political Science and Diplomacy, Vytautas Magnus University, Lithuania.

He is also a board member of the College of Security and Global Studies at the American University in the Emirates. Board member at the European Citizens Association and Board member at the Society of Cyprus Studies which creation of the latest, dates back to 1936.

Former positions include:

•⁠ ⁠Head of Department of History, Politics and International Studies at Neapolis University Pafos in Cyprus. Head of the PhD program in Security and International affairs and the coordinator of the Bsc Program in International Relations and Security
•⁠ ⁠Dean of the College of Security and Global Studies.
•⁠ ⁠Advisor & Analysis & Training specialist at the Emirates Center for Strategic Studies and Research (ECSSR) Abu Dhabi.
•⁠ ⁠Geostrategic Council of Cyprus, as advisory to the former President of Cyprus.
•⁠ ⁠Harriman Institute, of Columbia University in New York.
•⁠ ⁠Johns Hopkins University Center for Transatlantic Relations.
•⁠ ⁠George Washington University Business School and European Center.
•⁠ ⁠the Woodrow Wilson Center for International Scholars, in Washington DC USA.
•⁠ ⁠Research Affiliate with South Florida University in the USA.
•⁠ ⁠Senior visiting fellow at University of Central Lancashire, Law School, Cyprus.
•⁠ ⁠Visiting Lecturer at the University of Cyprus Social and Political Department.
•⁠ ⁠Cook County Treasurer of Illinois in Chicago.
•⁠ ⁠The United Nations UNIDO in Vienna.

Dr. Efthymiopoulos, has authored numerous books in English and Greek, co-edited books, scientific articles (English/Greek ), Opinion and academic chapter analyses which are Scopus cited among others.

New books (2025) include:

» Efthymiopoulos & Masouras (2025), on Security and Strategy Models for Key-Solving Institutional Frameworks. Published by IGI.
» Co-Editor of a book on Geopolitics with Lemieux-Efthymiopoulos-Demergis, to be published in late 2025 by Emerald USA.

Dr. Efthymiopoulos was a scholar of the prestigious Alexander S. Onassis Foundation. Has been awarded a PhD from the University of Crete, Political Science Department, Greece, specializing on NATO and NATO-Russia Relations, field of political science and international security (2008). He has obtained, NATO’s Defense College Diploma (Senior Course 105), including the Integrated PfP/OSCE Course 04/02 in Rome Italy (2005), specializing on international security, military and strategic affairs. He holds a Masters in Advanced International Studies (M.A.I.S) from the Diplomatic Academy of Vienna, Austria (2003) and a BA(Hons) in International Relations and Politics, from the University of Lincolnshire and Humberside (today University of Lincoln), from Lincoln, UK (2001).

• In Greek from Sakkoulas Publications on NATO-Russia Relations. The Need to a new Strategic Concept. by 2010
• On Strategic Security and Transatlantic Relations by 2012
• A translation of the book of Professor Bob Pape from the university of Chicago and James Feldman “Cutting the Fuse” on Cutting the know on suicide bombing” a work licensed by the University of Chicago Press, from the University of Chicago.
• Co-edited the handbook of Cyber-Development, Cyber-Democracy and Cyber-Defense, a book with over 1000 pages and 49 chapters. A great book of information with a great number of sales and download in the USA. By 2018
• By 2013 published a book edited on Cyprus Foreign Policy by Studio University Press and Strategy International
• By 2014 the book on Cyber-Development, Cyber-democracy and cyber-Defense,  Challenges, Opportunities and Implications for Theory, Policy and Practice.

Academic Links

• Orcid ID: https://orcid.org/0000-0002-2277-0941
• Scopus ID: 36631803800
• Google Scholar: https://scholar.google.com/citations?hl=en&user=zmUOLpYAAAAJ
• Research Gate: https://www.researchgate.net/profile/Marios_Efthymiopoulos
• Academia.edu: https://aue.academia.edu/MariosPanagiotisEfthymiopoulos
• Personal Webpage & Profile: https://www.efthymiopoulos.gr
• Linkedin: www.linkedin.com/in/mariosefthymiopoulos
• Twitter: @EfthymiopoulosM
• Publons: AAZ-5764-2020