[2][3] Following the dissolution of the Soviet Union, Belaventsev became deputy director of Rosvooruzhenie, Russia's primary arms trading agency.

[2] From 2001 to 2012, Belaventsev was director of EMERCOM, a Russian state agency that manages the humanitarian efforts of the Ministry of Emergency Situations.

[a] During his tenure, Belaventsev founded private companies that were awarded ministry contracts to implement international humanitarian projects.

According to the Organized Crime and Corruption Reporting Project, Belaventsev's companies received hundreds of millions in state contracts from the government agencies where he was employed.

After Shoygu was named Minister of Defense, Belaventsev became general director of Slavyanka, among the largest ministry-controlled companies.