Bronisław Geremek Constitutional Committee from 1989 to 1991 and its European Law Committee from 2000 to 2001. After a coalition government was formed in October 1997 by the Solidarity Electoral Action (AWS) and the Freedom Union Geremek served as Minister of Foreign Affairs under Prime Minister Jerzy Buzek until 2000. In 1998 Poland chaired OSCE, and Bronisław Geremek served as Chairperson-in-Office. In March 1999 he signed the treaty under which Poland joined NATO. In the election to the European Parliament in June 2004 Geremek was elected as a candidate of the Freedom Union, winning the largest number of votes in Warsaw. In
Kazimierz Marcinkiewicz was also a member of the Solidarity movement and editor of underground press materials. In 1992 he became a State Secretary (formal name for deputy minister) in the Ministry of National Education. From 1999 to 2000 he was the cabinet chief for Prime Minister Jerzy Buzek. Following the victory of the Law and Justice party in the September 2005 Polish parliamentary elections, its prime ministerial candidate, party leader Jarosław Kaczyński decided against becoming prime minister so as not to damage the chances of his twin brother, Lech Kaczyński in the then-upcoming October presidential election. Instead the little-known Marcinkiewicz became PM,