The Team
Maryna Hrytsenko
Co-Founder, Executive Director
Co-founder and Executive Director at SCIS. Previously a National Security Advisor in Verkhovna Rada and led foreign policy projects at MoD. Graduate of Vassar College.
Catarina Buchatskiy
Co-founder, Director of Analytics
Co-founder of the Serpens Center for International Security, leading the Center’s research, analytics, and publications divisions. Previously at Stanford, studying international security and military history.
Oleksandra Berchenko
Operations Manager
Previously coordinated advocacy projects at Prince Claus Fund and European League of Institutes of Art. International Studies graduate from Rotterdam Erasmus University.
Maksym Terzi
Senior Analyst
Senior Analyst at SCIS. Holds a degree in Finance and Banking from the National University of Kyiv-Mohyla Academy and a master’s degree in Urban Planning and Post-War Reconstruction from the Kyiv School of Economics.
Roman Kaleniuk
Analyst
Analyst at SCIS. Veteran of the Russo-Ukrainian War, serving in infantry all the way to battalion headquarters. Graduated with a Bachelor’s degree in History from the National University of Kyiv-Mohyla Academy.
Artur Savchii
Defense Industrial Analyst
Economics student at New York University. Previously worked in Ukraine’s IT sector and interned at Ukraine’s Ministry of Digital Transformation.
Yelyzaveta Khomovska
Analyst
Analyst at SCIS. Holds a Master’s degree in Conflict Studies from the London School of Economics, and has previously worked as a researcher at Veteran Hub and Civil Network OPORA.
Mariia Danets
Communications Manager
Previously worked in communications, branding, and social media management for Ukrainian educational and technology companies, as well as civil society organizations.
Tadey Sadovyi
Internship Program Coordinator
Graduated with a degree in International Relations from the University of Amsterdam and holds a master’s degree in War and Peace Studies from Leiden University. Previously interned in the International Partnerships Department at SCIS.
Viktoria Pomazan
Project Coordinator
Politics and International Relations student at University College London. Previously interned in the International Partnerships Department at SCIS and worked in business development in the defence sector in Germany, with additional experience supporting international defence exhibitions.
Artem Balashkevych
Junior Analyst
History, Politics and Economics student at University College London (UCL). Previously interned in the Defense Analytics Department of SCIS.
Maria Tomilenko
Digital Product Manager
Previously part of the Digital team in Tate Art Galleries’ Audience Innovation Department, with international experience across technology, strategy, and startups at organizations in the US, UK, and EU. Holds an M.S. in Technology, Culture and Society from NYU Engineering and a B.A. in Psychology from Columbia University.
Hlib Osipovych
Military Partnerships Coordinator
Served as infantryman in Russo-Ukrainian War. History student of National university Kyiv-Mohyla Academy.
Olha Tolmachova
Junior Political Analyst
Political analyst at SCIS. Previously at the College of Europe, Ukrainian Catholic University, University of Notre Dame and European Center for the Study of War and Peace.
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