Bartłomiej Sienkiewicz was born on 29 July 1961. He graduated from the Faculty of Philosophy and History at the Jagiellonian University.
In the early 1980s, he was an active participant in the Kraków’s opposition movement. In 1990, he co-founded the Office for State Protection. In the 1990s, together with Marek Karp, he founded the Centre for Eastern Studies and was its Vice President for Programme Affairs for eight years (1991-1993, 1996-2001). At the beginning of the 2000s, he left the state administration and founded an analytical company dealing with estimation of the investment risk and analysis of the competitive environment (ASBS OTHAGO, then “Sienkiewicz & Partners”).
He also acted as the advisor to the Marshal of the Sejm, Maciej Płażyński (2003-2005), was a lecturer at the National Defence University, publicist and commentator dealing with the issues of the East and security. Recently, he has been the member of the Programme Board of the Polish Institute of International Affairs and Chairman of the Board of the Centre for Eastern Studies as well as the member of the Board of the ABW Central Training Centre.
He is married, has three sons and a daughter.