Mark Betterton was appointed to direct the St. Gregory's track and field and cross country programs in July 2014. Betterton had been serving in the position on an interim basis after working for nearly eight months as an assistant coach for the Cavaliers.

Betterton came to St. Gregory's with more than 30 years of coaching experience at the middle school, high school and college levels. His highlights include coaching athletes who have won 20 state titles in six different events. While at Shawnee High School, he led the school's first state champion relay team and was named the 2010 National High School Athletic Coaches Association Region 5 Coach of the Year.

Betterton twice served as an assistant for Oklahoma Baptist University, including in 1996 when the indoor program finished national runner-up.

Betterton has a bachelor's degree in education from OBU and a master's degree in junior/community college teaching from the University of Central Oklahoma. He and his wife, Karla, have been married 33 years and have two children: Adam and Jill.