 He was Minister without portfolio in 1984, Minister to the Presidency of the Government in 1989 and in 1993-94, Minister for Justice in 1995, and Minister for Health and Welfare in 1996.In 1985-86, as MP he acted as the chief sponsor for the revision of the Greek Constitution.As the minister responsible for energy policy he conceived of, negotiated and signed an agreement on importing natural gas to Greece from the then-Soviet Union and Algeria and started its realization in 1987-88.