The 15th Secretariat of the All-Union Communist Party (Bolsheviks) was elected by the 1st plenary session of the 15th Central Committee, in the aftermath of the 15th Congress.
Full members Name(birth–death) Took office Left office Duration Note (1892–1937) 29 April 1929 13 July 1930 Elected at the 4th Plenary Session. (1893–1991) 12 July 1928 13 July 1930 Elected at the 2nd Plenary Session. (1889–1939) 19 December 1927 12 July 1928 Relieved of his duties at the 2nd Plenary Session. Nikolai Kubyak(1881–1937) 19 December 1927 11 April 1928 Relieved of his duties at the 1st Joint Plenary Session of the Central Committee and the Central Control Commission. (1890–1986) 19 December 1927 13 July 1930 — (1886–1937) 19 December 1927 29 April 1929 Relieved at the 4th Plenary Session. (1878–1938) 11 April 1928 13 July 1930 Elected at the 1st Joint Plenary Session of the Central Committee and the Central Control Commission. (1878–1953) 19 December 1927 13 July 1930 Elected General Secretary at the 1st Plenary Session.
Candidate members Name(birth–death) Took office Left office Duration Note (1889–1969) 19 December 1927 13 July 1930 — (1892–1937) 19 December 1927 29 April 1929 Relieved of his duties at the 4th Plenary Session. (1883–1938) 19 December 1927 13 July 1930 — (1890–1937) 19 December 1927 13 July 1930 —
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