Born in the Netherlands but growing up on the West Coast, Harald attended South Delta High School in Tsawwassen before enjoying a productive career at the University of Washington.
Selected in the fifth round of the 1989 CFL Draft, he played four seasons with the Calgary Stampeders from 1990 to 1993, appearing in 50 regular season games and winning the Grey Cup in 1992. The talented defensive end capped his career with a CFL All-Star selection in 1993.
Harald was a key free agent signing of the Denver Broncos in 1994 and enjoyed 112 regular season appearances over seven standout seasons, not missing a single game in his NFL career. He finished his playing days as a two-time Super Bowl champion, winning back-to-back titles in 1998 and 1999.