Following the 1989 Revolution, he joined the newly created UDMR and represented it in Chamber, serving as Secretary of the Committee for Drafting the Constitution and a member of the Chamber's Judicial Committee. He successfully ran on UDMR lists for the Senate in the 1992 election, serving as Vice President of its Judicial Committee and envoy to the PACE after 1993. He was appointed PACE Rapporteur for Lithuania in 1995, and became Vice President of the EEP's Parliamentary Group in 1996 (reelected in 2000 and 2004).