International Relations


rumenjakNives Rumenjak, Ph.D.

Coordinator for International Relations graduate program

Specialization: History

Bio: Dr. Nives Rumenjak joined Webster University Leiden as an International Relations lecturer and assistant of the International Relations Head in August 2015. Before returning to the Netherlands with her husband and two daughters in summer 2013, she spent five years in the U.S, engaging in research and teaching at the University of Pittsburgh’s Center for International studies, and the Community College of Beaver County in Western Pennsylvania. 
        Dr. Rumenjak holds a Ph.D. in History from the University of Zagreb, where she has conducted extensive research in socio-historical prosopography of elite groups, nationalism, and modern identity research of Central and Southeast Europe. She crowned her longstanding exploration with two single-authored books on the Serbian political elite in late 19th century Croatia. Dr. Rumenjak’s original approach to modern nationalization in Croatia has been regularly presented at the European Social Science History Conference and Convention of Association for Slavic, East European, and Eurasian Studies.

adlerJill E. Adler, J.D.

Specialization: International Law, Grant Writing, & Fundraising

Bio: The instructor studied law and received a Juris Doctorate from Georgetown University in Washington, D.C.  She is the director of the East-West Parliamentary Practice Project (EWPPP), an NGO based in the Netherlands which develops and implements capacity building programs for parliaments and civil society organizations in emerging democracies. She also serves as  Vice-Chair of the Board of the Netherlands-American Commission for Education Exchange (Fulbright Center), and is a member of the Board of Trustees of the Albanian-American Development Foundation (AADF).      

aminehMehdi P. Amineh, Ph.D.

Specialization: Political Science

Bio: Dr. Mehdi Parvizi Amineh is lecturer and researcher on Middle Eastern and post-Soviet Eurasian politics. He obtained his M.A. in Political Science (1991), and his Ph.D. in Social Science (1998), both from the University of Amsterdam.

baltMarije L. Balt, M.A.

Specialization: Diplomacy

Bio: Marije Balt has an M.A. in International Relations from the University of Amsterdam. She is a former senior diplomat of the Netherlands government. She will take students through the world of defense, diplomacy and development from an insider’s point of view. As an expert on peace building, she currently advises organizations and companies working in (post) conflict countries and frequently travels to countries like Somalia, Mali, and Libya. In her capacity as a trainer, she works at the CIMIC center of excellence with NATO Higher Command.

boxhoornBram Boxhoorn, Ph.D.

Specialization: Transatlantic Security Issues

Bio: Bram Boxhoorn is Director of the Netherlands Atlantic Association ('Atlantische Commissie'), a cross-political party organization that focuses on transatlantic security issues, such as the role of NATO in the Euro-Atlantic security framework, NATO-EU and EU-US relations, and NATO-Russian relations. Previously he was assistant professor at the University of Amsterdam, where he read European history and international relations.  He received his Ph.D. in History at the University of Amsterdam in 1992. From 1988–1996, he lectured at Webster University (Leiden) on International Business Developments.

maiyoJoshua K. Maiyo, M.Phil.

Specialization: International development, Eastern Africa

Bio: Josh Maiyo was a political and international affairs journalist in Nairobi, Kenya and Hilversum, the Netherlands before joining the University of Amsterdam to study International Relations and Politics (M.Sc. 2006), and African Studies in Leiden (M.Phil. 2008). He’s completing his Ph.D. at the VU Amsterdam’s department of Social and Cultural Anthropology on the topic of trans-national land deals, agrarian change, and rural development in Uganda.

Josh Maiyo is also currently a non-resident research associate at the John’s Hopkins University School of Advanced International Studies China-Africa Research Institute (SAIS-CARI),an independent consultant on International Development, and a regional expert on Eastern Africa. His current research interests include Political Ecology, African Development, and China-Africa relations.

ongayoAntony Otieno Ong’ayo, Ph.D.

Specialization: Migration & Development

Bio: Ong’ayo is a political scientist and Researcher at the Department of International Development Studies, Utrecht University (The Netherlands), where he undertakes research in the fields of Migration and Development, Diaspora engagement and participation, Land conflicts, Diasporas and displacement in Africa, and Civil society engagement in China-Africa relations. He also teaches theory and practice of development at Utrecht University College. His Ph.D. thesis examined the contribution of diaspora organizations to development in the countries of destination and origin from transnational and translocal development outcomes perspectives. He obtained a Master's degree in Politics and Development, and a Bachelor’s degree in Political Science from Stockholm University, Sweden. He undertook a postgraduate study in Management of Health and Psychosocial Services in the developing countries at Uppsala University Sweden and also holds a Diploma in Labour Studies and Management. He is a member of the research group Globalisation, Ageing, Migration and Care (GAIC) at Tilburg University; a Research fellow at the European Centre for Development Policy Management (ECDPM);  African Migration and Development Policy Centre (AMADPOC) in Nairobi and Transnational Institute in Amsterdam. Since 2013 he has been an adjunct lecturer in the Department of International Relations at Webster University, Leiden  (teaching graduate courses).

Publications are available at:


russellDaniel Russell, M.A.

Specialization: International Law

Bio: Daniel Russell graduated from Holy Cross College (B.A.), has law degrees from Leiden University and the University of Louvain, and did postgraduate work at New York University and the Hague Academy of International Law. Mr. Russell began his career as a legislative aide to New Jersey Senator Lesniak. He later served as director of an economic development project for Newark International Airport, following which he became executive director of an NGO regional office. In 1993 he was awarded a Rotary Fellowship to study at Leiden University. Upon completion of his masters’ thesis, he worked on several research projects for the Leiden law faculty, notably in the fields of energy, environmental law, and air and space law. He continues to work as a legal consultant in the field of aerospace law, and is a guest lecturer and academic advisor in the Leiden U. Master of Air & Space Law program. 

Mr. Russell has also taught at both the bachelor’s and master’s level for the past twenty years at, among other schools, Webster, Nyenrode, and The Hague University. He serves as a judge at the Telders International Law Moot Court, the annual competition held at the Peace Palace for law students from throughout Europe.

 iwonaguscIwona Guść, Ph.D.

 Specialization: Cultural history and literature 

 Bio: Dr. Iwona Guść holds a PhD in film history from the University of Groningen (the Netherlands). Her dissertation deals with censorship and its impact on film production and reception in post-war Poland.          Between 2010 and 2014, she worked as a postdoctoral researcher at the NIOD Institute for War,       Holocaust  and Genocide Studies in Amsterdam and contributed to a project on global antisemitism. She    has held postdoctoral fellowships from the Göttingen Institute for Advanced Studies (Lichtenberg-Kolleg) and Imre Kertész Kolleg in Jena. Currently, she is appointed as a fellow at the Center for Holocaust Studies at the Institute for Contemporary History in Munich. Her research and teaching encompasses Eastern European film, Holocaust literature, the history of antisemitism, cultural transfers and memory in Eastern Europe.   

 tatjanaTatjana Meijvogel-Volk, M.A.

 Specialization: Civic education

 Bio: With the Western Balkans as her primary interest, German scholar Tatjana Meijvogel-Volk studied in the Former Yugoslavia during the 1980’s and graduated in Political Science from the University of Zagreb (Republic of Croatia) in 1992. Tatjana served the German Foreign Office as Co-ordinator for Humanitarian Aid during the war in Bosina and Herzegovina. Later, she functioned as Head of Protocol for the EU-Administration of Mostar (B&H), which had the task of re-constructing and re-unifying the city of Mostar, which had been divided and destroyed during war times.   

After the war, Tatjana joined the OSCE Mission to Bosnia-Herzegovina as International Election Implementation Advisor, responsible for building up a new electoral system for Bosnia-Herzegovina, organizing several elections, and supervising newly elected legislative bodies. After her field missions, Tatjana pursued a Master’s degree, graduating in 2005 from the Center for Global Politics of the ‘Freie Universitaet Berlin (Germany) with a Master’s thesis focusing on the ideological debate concerning the re-organization of the Yugoslavian State in the 1980’s.       

Nowadays, Tatjana is the project manager in the field of citizenship education at ProDemos – House for Democracy and the Rule of Law, in The Hague. She deals with providing civic education for adults through the organization of lectures, conferences, and debates concerning topics in national, European and international politics. At ProDemos, Tatjana is both the project manager for NECE (Networking European Citizenship Education), a network of European organizations and individuals working on citizenship education, and the manager of Europe Direct, an information center on the European Union.

piotr Piotr Perczynski, Ph.D.

 Specialization: Political Theory

 Bio: Piotr Perczynski obtained his M.A. and Ph.D. in International Relations and Political Science from Warsaw University and was awarded scholarships at Oxford University, Leiden University and University of Amsterdam. He was a postdoctoral researcher on political theory at Leiden University (1998-2001) and Senior Lecturer at the European Institute of Public Administration (2006-2009). He has also served as a Head of Political Cabinet of the Deputy Prime Minister of Poland, as a National Coordinator for Performance Budget (statutory authority) and as a Vice-Ambassador for Poland to the Netherlands (2012-2016). Currently he is a lecturer on political theory, international relations and political philosophy and is doing research on the work of Baldassare Castiglione.

 victorbroersVictor Broers, LLM

 Specialization: European Politics, Diplomacy, Socioeconomic transitions

 Bio: Victor Broers is the founding chairman of the Congress of Europe. His field of expertise covers European (political) affairs, public leadership and inclusive economics. Earlier he worked as a (senior) policy advisor for the Dutch Ministry of Finance and was a member of the European Council Expert Group on financial markets regulation in Brussels. Apart from his work for the Congress of Europe, Broers works as an independent consultant and writer and is a visiting research fellow at the University of Amsterdam.

hansdehoog Hans de Hoog, M.Sc., M.A.

 Specialization: Global Political Economy

  Bio: Hans de Hoog holds master's degrees in both International Relations and Economics. He started his career in Dutch politics, writing on topics in international affairs, among other fields. After that, he became a consultant and partner in the area of public affairs (1987-1994) and then served as director of Corporate Communications for the insurance company Delta Lloyd (1994-1998). He is co-founder of Grexx (2000), a collaboration software developing company, based in Naarden ( and has served on several boards as a non-executive. For the last twenty years, he has been specializing in governance (e.g., at the Dutch Central Bank) and giving master's classes and workshops on this subject. He teaches the advanced courses Business Strategy and Global Political Economy at the University of Applied Sciences in Tilburg. For his complete bio, see

nevenkatromp  Nevenka Tromp, Ph.D.

  Specialization: Global Justice

  Bio: Tromp received her PhD from the University of Amsterdam. She has been teaching in the Department of European Studies at the University of Amsterdam since 1992 and in the Department of International Relations at Webster Leiden Campus since 2018. From 2000 to 2012, Tromp worked as a researcher for the Leadership Research Team in the Office of Tribunal's Prosecutor at the UN International Criminal Tribunal for the Former Yugoslavia, and she was principle researcher on history and politics in the trial of Slobodan Milošević. She is co-founder and Executive Director of the Geoffrey Nice Foundation on Law, History, Politics, and Society in the Context of Mass Atrocities. Tromp's interdisciplinary research explores the interplay between law, justice, history, politics and society. She teaches on the following subjects: theories and history of human rights, humanitarianism in international relations, post-conflict societies, legal response to mass atrocities, and history and politics of post-communist Europe.

Tromp's recent publications include Smrt u Hagu: nezavršeno suđenje Slobodanu Miloševiću (Sarajevo: Sarajevo University Press, 2019); "In Search for Truth at Mass Atrocities Trials: Will Lawyers and Judges Have the Last Word?" (The International Journal for Comparative Law, March, 2018); "Montenegro and NATO membership: an achievement and a risk?" (Internationale Spectator, Clingendael, The Hague, May, 2017); "Profile: Montenegro's game-changing leader Milo Đukanović" (Internationale Spectator, Clingendael, The Hague, May, 2017); "International Criminal Tribunals and Cooperation with States: Serbia and the Provision of Evidence for the Slobodan Milošević Trial at the ICTY," co-authored with Geoffrey Nice, in Margaret de Guzman and Diane Amann (Eds.), Arcs of Global Justice: Essays in Honor of William A. Schabas (Oxford, UK: Oxford University Press, 2017); "Criminal Trial as a Tool to Re-Write History" in Karčić, H. et al. (Eds.), Remembering Bosnian Genocide: Justice, Memory and Denial (Sarajevo: Institute for Islamic Tradition of Bosniaks, 2016); Prosecuting Slobodan Milošević: The Unfinished Trial (Routledge: London, 2016).