sentences:  He was in office as Chairman of the Central Executive Committee of the All-Russian Congress of Soviets from 16 March 1919 to 30 March 1919.He was also Deputy of Chairman of Gosplan (the State Committee for Planning) of the USSR from 1926 to 1927 and People's Commissar of Public Healthcare of the RSFSR from 1930 to 1934.In those turbulent years, he was a supporter of Stalin's line against "deviations" by Leon Trotsky and Nikolai Bukharin.