Mikhail Gorbachev for his role in the collapse of the Soviet Union and the ensuing economic collapse. During his career, Gorbachev attracted the admiration of some colleagues, but others came to hate him. Mikhail Gorbachev Mikhail Sergeyevich Gorbachev (born 2 March 1931) is a Russian and formerly Soviet politician. He was the eighth and last leader of the Soviet Union, having been General Secretary of the governing Communist Party of the Soviet Union from 1985 until 1991. He was the country's head of state from 1988 until 1991, serving as Chairman of the Presidium of the Supreme Soviet from 1988 to 1989,
Premier of the Soviet Union USSR. However, Kosygin's prestige was weakened when he proposed the economic reform of 1965. Under the 1977 Soviet Constitution, the Premier of the Council of Ministers was the head of government of the USSR. The Premier was the chief of the executive branch and head of the Soviet government as a whole, the premiership was the most powerful governmental office in the USSR by influence and recognition until the establishment of the presidency during 1990. The Premier was responsible and accountable to the Supreme Soviet and during the period between sessions of the Supreme Soviet he was also accountable to