Jan Marinus Wiersma

Senior Visiting Fellow


  • Europe and the EU


  • Europe

Expertise:  EU institutions, EU enlargement, EU neighbourhood policies. 

Jan Marinus Wiersma is Senior Visiting Fellow at the Clingendael Institute. For fifteen years he served as Member of the European Parliament and its Committee for Foreign Affairs. He was rapporteur for the accession of Slovakia to the EU and chairman of the EP delegation for relations with Ukraine, Belarus and Moldova. His work focuses on enlargement issues, EU neighbourhood policy, economic and social policies of the EU and institutional issues. He is an authority on democracy promotion and minority policies.  He is currently monitoring  the EU enlargement process,  assessing the state of play in the Western Balkans, following events in the EU neighbourhood and is working on issues related to the democratic legitimacy of the EU.

In addition to his work at Clingendael, he is senior political advisor of the Netherlands Institute for Multiparty Democracy, Chairman of the Advisory Council of Mitrovica International Business School, Vice President of the European Forum for Democracy and Solidarity, Research Fellow at the Wiarda Beckmann Foundation and chairman of the Central and Eastern Europe Book Project (CEEBP). He graduated from the University of Groningen (NL) with an MA in History.

He has (co-) authored and (co-edited) several books dealing with issues such as the future borders of the EU, the Muslim neighbours of the EU, Roma integration, history and politics,  EU–US relations and nuclear non-proliferation.








My work



Trade and Globalisation

A ‘new’ Turkey?

23 August 2016 - 11:33
EU Integration

The parliamentarisation of the EU’s economic policy

29 April 2016 - 12:30
Social Europe

How serious is the attention for Social Europe?

18 April 2016 - 10:39
Europe in the World

More direct democracy will not solve the problems

17 March 2016 - 12:47

Turkey: Towards a new relationship?

14 March 2016 - 19:03
EU Integration

The European Asscher agenda

09 December 2015 - 10:01
Show more Publications


Europe in the World

Lecture Polish Minister of Foreign Affairs

20 October 2017 - 10:25
Trade and Globalisation

Lecture H.E. Minister Daniel Mitov of Foreign Affairs of Bulgaria

28 September 2016 - 14:18

The Social Europe the Member States do not want?

20 September 2016 - 17:39