In 1996 and 1997, he was a leading pole vaulter in NCAA Division II competition. DeRosier captured two NCC Championships in 1997, winning the indoor pole vault with a record 17'4" vault. During the outdoor season, he won the vault with a mark of 16'3". His national experience included a 1997 national championship in the indoor vault where he set the NCAA D-II record with a school record vault of 18'0.5" and a second-place finish in the outdoor vault in 1997. Overall, he earned four All-American honors. In addition to his athletic talent, DeRosier was a five time Academic All-American.
