Torosyan trained at Փանոս Թերլեմեզյանի անվան գեղարվեստի պետական քոլեջ in his hometown of Yerevan.

Torosyan joined the USSR national boxing team shortly afterward.

Torosyan advanced to the semifinals with relative ease, but was then controversially disqualified for a low blow.

He later emigrated to the United States, settling in Glendale, California, where he opened a gym.

Torosyan coached Armenian-born American boxer Vanes Martirosyan, who competed at the 2004 Summer Olympics.