Two-time Minister of Defence (1992-1993 and 1997-2000, respectively); Member of Parliament (X, I, II and III terms); Member of the European Parliament (2004-2009). Holds a honorary degree from the University of Leeds. One of the founders of “Solidarity” – Mazovia Region in 1980. Participated in the 1989 Round Table negotiations as a spokesman for “Solidarity”. Elected President of the Euro-Atlantic Association in 1994. In 2010 was appointed an adviser in the Ministry of National Defence.