He joined the Bolshevik Party in 1904. In November 1918, Deribas joined the Extraordinary Commission Against Counterrevolution, Sabotage and Speculation and the Red Army, and was chief of the political department of several divisions. He took part in the suppression of counter-revolutionary uprisings, including those of Kronstadt and Tambov.
In 1929, Deribas was transferred as a representative of the Joint State Political Administration to the Far East, where he led a massive repression.
During the Great Purge, Deribas was removed from his post (31 July 1937), then arrested (12 August 1937), sentenced to death (28 July 1938), and shot on the same day, at the firing range Kommunarka. He was posthumously rehabilitated on 31 December 1957.
In 1931, he became a member of the board of the People’s Commissariat of Internal Affairs.