Centrosibir (Russian: Центросибирь), short for the Central Executive Committee of Siberian Soviets, was elected by the First Congress of Siberian Soviets, held in Irkutsk from October 29 [O.S. October 16] 1917 to November 6 [O.S. October 24] 1917. The task of Centrosibir was to coordinate the activities of Siberian Soviet between their congresses. N. N. Yakovlev was the Executive Chairman of Centrosibir.
After the temporary downfall of Soviet power in Siberia, Centrosibir ceased to function in the summer of 1918.
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Centrosibir Wikipedia(Text) CC BY-SA