Kevin joined the 49ers Athletic Training staff in time for the fall of 2013. His primary sport responsibility is the men's soccer program.

He came off two years with the University of Arkansas, working with football, track and field as well as the swimming and diving teams. He received his Masters of Athletic Training from Arkansas in 2013.

Prior to his time in Fayetteville, Thornton worked as a student trainer at FAU, working with football and men's soccer. He received his degree in Exercise Science from Florida Atlantic in 2011.

Thornton is a an avid soccer fan, enjoys playing the game in his free time, and tabs himself a "diehard Manchester City fan."