Viliami Tuivai is in his sixth season at Boise State, and his second as Director of Football Operations, after spending three years as linebackers coach and recruiting coordinator for the Broncos. Tuivai joined the Boise State coaching staff as a defensive graduate assistant, where he worked primarily with the linebackers. After working as a GA, Tuivai spent one season as director of football operations.

In Tuivai's first season as linebackers coach, Korey Hall earned Western Athletic Conference Defensive Player of the Year honors and Colt Brooks was named second-team All-WAC. Following the 2006 season, Hall became the first Bronco linebacker picked in the NFL draft since 1987 when he was selected in the sixth round by the Green Bay Packers.

Tuivai served as a volunteer assistant linebacker coach at the University of California, Davis in 2002. He was a two-year starter at linebacker at UC Davis, helping the Aggies to the NCAA Division II national semifinals in 2000 and 2001. Before transferring to UC Davis, Tuivai played one year at Mt. San Antonio College (1996) and one year at San Bernardino Valley College (1997), helping both squads to the Southern Cal Bowl championship.

Tuivai graduated from UC Davis in 2002 with a bachelor's degree in sociology. Tuivai and his wife Martha have one daughter, SusanMele, born in 2009.