In 1937, during the Great Purge, when mass arrests created vacancies for new party officials, he was appointed head of the Agitprop department at district level in Tomsk.

In May 1955, the head of the soviet communist party, Nikita Khrushchev had him transferred to Moscow as Director of Egg Farming in the USSR Ministry of Agriculture.

In January 1961, Voronov was recalled to Moscow and appointed a candidate member of the Praesidium (or Politburo and deputy chairman of the bureau in charge of the communist party in the RSFSR.

"[3]A former party official who worked with Voronov described him of sounding like a "mannered provincial lecturer" than a high ranking statesman, who "talked a lot about attention to agriculture, especially animal husbandry, tediously.

[4] In 1971, he was removed from office and relegated to the lesser position of Chairman of the USSR People's Control Committee.