Staff Directory

Callie Rosser

Title:
Professional Intern, Athletic Performance

Callie Rosser joined Michigan State Athletic Performance as a professional intern in August of 2025. She works primarily with men’s cheer while also assisting with softball, women’s golf and rowing.

Prior to her current role, Rosser interned at Michigan State during the summer of 2025, working with volleyball, field hockey, women’s soccer and gymnastics. During her undergraduate studies at Ohio Northern University, she gained hands-on experience with football, women’s basketball and volleyball.

Rosser was a four-year letterwinner and standout member of the Ohio Northern University softball team where she recorded over 100 career hits and ranked 11th in program history. She graduated in 2025 with a bachelor’s degree in exercise physiology and in strength and conditioning. She is a certified Strength and Conditioning Specialist (CSCS).