A member of both the state's California Community College softball (inducted 1993) and women's volleyball Hall of Fames (1995), Jo Ann Zwanziger served as both a head coach at PCC in the two sports for more than a decade.

She compiled a 128-42 winning record in softball, including directing the Lancers to the 1976 SoCal championship. In 1978, she was selected State Softball Coach of the Year, and she coached three Metro Conference titles overall.

Coach "Z" served as women's sports athletic director from 1975-1988 and hired two future PCC Hall of Famers in Sandi Iverson (softball coach) and Lori Jepsen (inducted as athlete, volleyball coach).

Her work on state rules committees helped bring together men and women's sports under one organization, the Commission on Athletics (COA), and helped create the idea of state championship tournaments for women's athletics beginning in 1977.

Zwanziger was an instructor at PCC for 29 years before retiring in 1997.