 Between February 1922 and 1923, he was head of government (Chairman of the Sovnarkom) of the Georgian SSR.He was counselor of the Soviet Embassy in Turkey (1923–1924), and later served as Deputy Prosecutor General of the Soviet Union (1924–1928).Around that time, Kavtaradze joined Leon Trotsky and the Left Opposition in their conflict with Stalin and other Party leaders, and ceased his involvement with the group only as it collapsed.