assistant professor in Institute of Political Studies at the Polish Academy of Sciences, political scientist, historian, columnist, expert on eastern policy, co-founder of the Museum of the Warsaw Rising in Warsaw. 2009-2014 – member of the European Parliament, Chairman of UE delegation to EU-Ukraine Parliamentary Commission and of Foreign Affairs Committee. He was a member of National Security Council, 2007-2009 – member of Parliament (Sejm), 2006-2007 – Secretary of State in the Ministry of Foreign Affairs. Author of numerous publications on the transformation processes in Central Europe.
Now he is working on Wojciech Jaruzelski biography and on monograph on the role of the oligarchy in Ukraine.