Bartosz Wiśniewski is the Head of Research Office, Polish Institute of International Affairs.

PISM research fellow between 2008 and 2013. Previously worked as market analyst with United Oilfield Services (an onshore oil and gas service company) and industry specialist responsible for aviation and oil and gas sectors with the International Trade Administration. Author and co-author of numerous reports, policy papers and academic research in area of U.S. foreign and security policy, U.S.-Polish relations, energy in international politics and international relations theory. Graduate of the University of Warsaw and the Warsaw School of Economics. Also, studied at universities in Mannheim and Frankfurt am Main.