October 1917—June 1918 comissar, 17th Corps and member, Revol Military Council, Headquarters of Commander in Chief. From June 1918—February 1924 worked for AllRussian Extraordinary Commission Against Counterrevolution, Sabotage and Speculation. Head, Special Department, 3rd Army, then Caucasian and Turkestani Fronts.
All-Russian Extraordinary Commission Against Counterrevolution, Sabotage and Speculation and Joint State Political Administration representative in Transcaucasia, Caucasus and Turkestan. Chairman. Geo Extraordinary Commission Against Counterrevolution, Sabotage and Speculation. 1924-1937 worked for Supreme Economic Council and People's Commissariat of Means of Communication.
Director, Moscow-White Sea-Baltic and Western Railroads. Member, Central Committee, Communist Party (Bolsheviks) Belorussian. Arrested by State Security organs.
Idea of God is a virus of human mind.
All policy decisions should be made in the light of the continued, permanent development of the theory of Marxism–Leninism.
Communist Party member from 1916.