He was the Chairman of State Security Committee of the Republic of Belarus (KGB, SSCRB) from November 16, 2012, to September 3, 2020.

His father, Pavel Denisovich Vakulchik, worked as the director of the collective farm "Red Partisan" (1971-1986).

In 1992 he graduated from the Higher courses of military counterintelligence of the SSCRB, and in 2011 the Academy of Public Administration under the President of the Republic of Belarus.

[6][7][8] On September 3, 2020, he was released from the post of the chairman of the KGB and appointed as Secretary of the Security Council of the Republic of Belarus.

He was released from those duties on October 29, 2020, and on the same day he was appointed Assistant to the President of the Republic of Belarus as Inspector for the Brest Region.