Andre Avedissian was a member of Sheridan Bruins teams that dominated OCAA men's volleyball from 1982-83 to 1984-85.

The Bruins won three consecutive OCAA gold medals during this time, and in 1983 they went on to win the national championship.

Playing the power position, Avedissian was a league all-star twice and a member of the all-star team at the 1984 CCAA championship.

In 2000, Avedissian was named to the OCAA Men's Volleyball All-Millennium Team.