General Secretary of the Communist Party of the Soviet Union more than determine party membership composition. Stalin, its first incumbent, used the principles of democratic centralism to transform his office into that of party leader, and later leader of the Soviet Union. In 1934, the 17th Party Congress refrained from formally re-electing Stalin as General Secretary. However, Stalin was re-elected into all other positions and remained leader of the party without diminishment. In the 1950s, Stalin increasingly withdrew from Secretariat business, leaving the supervision of the body to Georgy Malenkov, possibly to test him as a potential successor. In October 1952, at the 19th Party Congress, Stalin restructured the party's
First Deputy Premier of the Soviet Union First Deputy Premier of the Soviet Union The First Deputy Premier of the Soviet Union, also known as First Vice Premier of the Soviet Union, was the deputy head of government of the Union of Soviet Socialist Republics (USSR); despite the title, the office was not necessarily held by a single individual. A total of 26 individuals had held this post; 18 of them held other posts simultaneously with their First Deputy Premiership. The first officeholder was Valerian Kuibyshev, who was inaugurated in 1934 as First Deputy Chairman of the Council of People's Commissars (, abbreviated Sovnarkom). Lavrentiy Beria spent