He worked in the ОМОN and SОBR units of the Main Directorate of the Ministry of Internal Affairs in the Northwestern Federal District.

Despite the large number of deaths in the SAR operations, by a closed Decree of Putin, Troshev was awarded the title of Hero of the Russian Federation.

According to some media sources, Troshev was taken to a hospital while intoxicated and mentally unstable, while having maps of Syria, money and other important documents with him.

He is the chairman of the St. Petersburg organization "League for Protecting the Interests of Veterans of Local Wars and Military Conflicts."

[10] After Wagner's mutiny and Yevgeny Prigozhin's death, Vladimir Putin said that the group could continue operating and signing contracts with the Russian Defense Ministry under Troshev.

[11] On June 29, 2022, Troshev was included in the UK sanctions list as one of the leaders of Wagner Group, which participated in the Syrian Civil War on the side of Bashar al-Assad and government forces.

[12] On December 13, 2021, he was included in the sanctions lists of all EU countries:[7] The chief of staff of the Wagner group, which operates in Syria, trains and directs Syrian forces.

Thus, he makes a decisive contribution to Bashar al-Assad's military actions and supports and benefits from the Syrian regime.