Olena Prokopenko was formerly Visiting Fellow at GMF.

Janina Stürner-Siovitz is a Cities Managing Migration visiting fellow at GMF and a postdoctoral research fellow at the Institute of Political Science and the Centre for Human Rights of the Friedrich-Alexander-University Erlangen-Nuremberg. Her research focuses on migration governance and the interaction between cities, states, and international actors. She has developed studies, organized workshops, and produced policy papers on behalf of organizations including the European Commission, and the German Federal Foreign Office, the Mediterranean City-to-City Migration Project. 
Prior to joining the Friedrich-Alexander-University, Stürner-Siovitz was a refugee officer for Stuttgart, Germany, where she conducted a qualitative study on the city’s integration strategies in cooperation with migrant and refugee organizations.
Stürner-Siovitz completed her PhD summa cum laude in political science at the Friedrich-Alexander-University Erlangen-Nuremberg. She holds a master’s degree in international relations and a bachelor’s degree in political sciences from Sciences Po Aix and the University of Freiburg. She is a peer reviewer for the Knowledge Platform of the UN Network on Migration and a member of the UNHCR Global Academic Interdisciplinary Network.

Christiane Heimann is a visiting fellow at GMF and a research fellow at the Research Institute for Vocational Education of the Forschungsinstitut Betriebliche Bildung. In 2016–17, she was a visiting scholar at the University of California, Berkeley. Her work has been published in international academic journals, book series, and for the European Commission, and political foundations. She completed her doctoral studies in 2016 at the Bamberg Graduate School of Social Sciences, where she was the recipient of a Konrad-Adenauer-Foundation scholarship. In the course of her doctoral studies, she arranged research stays at University College London and the Universitat Pompeu Fabra in Barcelona. Prior to her graduate studies, Heimann held the position of lecturer at the Technische Universität Kaiserslautern and visiting lecturer at the Universidad Autónoma de Madrid. She received a bachelor’s degree in European studies and social sciences at Otto-Friedrich-Universität Bamberg and the Universidad de Salamanca.

Martina has 15+ years of extensive experience with high-stake negotiations, policymaking, and program management. Her expertise encompasses human rights, democracy, economy, and security. Her accomplishments include several testimonies on the U.S. Capitol and in the European Parliament.

Before joining GMF, Martina was a program officer for Europe and Eurasia at the Center for International Private Enterprise (CIPE), one of the core institutes of the National Endowment for Democracy and affiliate of the U.S. Chamber of Commerce, where she concentrated on responses to global strategic threats, economic misconceptions, corrosive capital, enterprise ecosystems, anti-corruption, and private sector leadership in advancing democracy and markets.

Scott Warren is a visiting fellow at the SNF Agora Institute at Johns Hopkins University, a new institute focused on strengthening global democracy through powerful civic engagement and informed, inclusive dialogue. Through this role, Scott is teaching an undergraduate class on social entrepreneurship, policy, and systems change, organizing a global network of youth activists and scholars focused on the topic, and helping the university to emphasize its own role as a beacon of civic engagement and democracy.

Bonnie S. Glaser is managing director of GMF’s Indo-Pacific program. She is also a nonresident fellow with the Lowy Institute in Sydney, Australia, and a senior associate with the Pacific Forum. She is a co-author of US-Taiwan Relations: Will China's Challenge Lead to a Crisis (Brookings Press, April 2023). She was previously senior adviser for Asia and the director of the China Power Project at the Center for Strategic and International Studies. Glaser has worked at the intersection of Asia-Pacific geopolitics and US policy for more than three decades.