Fortune played for Stanford from 1985 to 1989. He was named to the All-America first team in 1987 and 1989 and helped Stanford advance to the NCAA Final Four in 1989.

Fortune joined the U.S. national team in 1986. He was a member of the gold medal winning team at the 1988 Summer Olympics. In 1991, he was named the USOC Male Volleyball Athlete of the Year. He won the best passer and best digger awards at that year’s World League. At the 1992 Summer Olympics, Fortune was named best digger and helped the U.S. win the bronze medal. He also played in the 1996 Summer Olympics.