Prior to coming to Sterling, Coach Musselman was a an assistant coach at Utah Valley University. At Utah Valley, Musselman assisted with offensive production and was the top recruiter for the program. Seven of the athletes that Musselman coached won All-Pacific Coast Softball Conference honors while the team set the school record for wins at the Division I level and the school record for highest RPI.
Prior to coaching at Utah Valley, Musselman was the head softball coach at Edison High School in Huntington Beach, Calif., where he coached the team to a No. 8 ranking in the ESPN Powerade Fab 50, a national poll, and the No. 1 ranking in Orange County. Fourteen of Musselman's players signed to play collegiate softball. During his tenure at Edison, Coach Musselman coached Team USA member Jessica Plaza.
Musselman collected collegiate head coaching experience at Pasadena City College, a community college in Pasadena, Calif. While at the helm of the program, Musselman's squad established the highest GPA for a softball team since 2006.