Rob Halvaks is in his 20th season with the conference office. Halvaks is responsible for office and financial administration, is the tournament director for the Big West Men's and Women's Basketball Tournament and has sports management responsibilities for men's and women's basketball and baseball. Halvaks is a past chair of the NCAA Division I Administration Cabinet and the NCAA Playing Rules Oversight Panel. He is the conference's staff liaison to the Mountain Pacific Sports Federation.

Halvaks is a faculty member in the University of San Francisco's Sport Management Graduate Program.

Prior to joining the Big West staff, Halvaks served as the associate executive director of the Orange County Sports Association (1989-1992), which annually produced the Disneyland Pigskin Classic and the Freedom Bowl at Anaheim Stadium. Halvaks was a member of the athletics department staff at UC Irvine from 1979 to 1989, serving in a variety of positions, including sports information director, business manager and senior associate athletics director.

A 1975 graduate of the University of Michigan with a Bachelor's in Communications, Halvaks earned a 1979 Master's in Sports Administration from Ohio University. He served a year (1978) as assistant sports information director at Georgia Tech.

Halvaks and his wife, Jill, reside in Irvine with their sons, Brett and Ryan.