Riddell arrived at Auburn after spending five years as Head Strength & Conditioning Coach at American University in Washington, D.C. Riddell was in charge of the implementation of all resistance, speed enhancement and conditioning programs for all 11 varsity sports. He was a part of back to back Patriot League Championships in 2007-08 and 2008-09 for men's basketball with their first ever trip to the NCAA Tournament during the 2007-08 season.
Prior to American University, Riddell was the Assistant Director of Sports Performance at Velocity Sports Performance in Alexandria, Va., and Baltimore, Md. He coached high school, collegiate and professional athletes as well as assisted in day to day business operations. Before VSP, Riddell worked for a season with the Los Angeles Angels of Anaheim as the strength coach for the Provo Angels, a minor league affiliate in Mesa, Ariz., and Provo, Utah. The team went 54-22 and reached the league championship in 2003.
He also served as an Assistant Strength & Conditioning Coach at the University of Richmond from 2002-03 where he worked with football, basketball, baseball, field hockey and tennis. He began his career at the University of South Carolina as a graduate assistant strength coach for basketball while earning his Master of Science degree in exercise science in 2002.
The Scotia, N.Y., native received his Bachelor of Science degree in biology with a minor in education from the State University of New York College at Cortland in 1999. He is married to the former Gabrielle Baxter of Newark, Del. They have one son, Braden (2).