Prior to joining the Sagehens, Cowan served as an assistant coach at the University of Evansville (Ind.) during the 1999 season. Cowan was also the Head Volleyball Coach at Porterville College (Calif.) from 1995-1999. At Porterville, Cowan's team qualified for the NorCal Regionals for the first time.
Before making the transition to coaching at the collegiate level, Cowan coached at North High School in Bakersfield, and at Canberra High School in Australia. She has also had coaching experience with the Vintage Volleyball Club and with the San Luis Obispo Juniors. In addition to her coaching experience, Cowan has worked several camps, including San Luis Obispo, U.C. Santa Barbara, C.S.U. Bakersfield, and West Texas State.