Coach Ketelsen arrived at TJC in January 2001, and is the chair of TJC's Professional Tennis Management program. He has been the assistant men's and women's tennis coach since August 2005. He received his Bachelor's degree from Southeastern State University in Durant, OK. He is a 2-time NAIA tennis All-American, and has been ranked in the top 10 of his USTA age group. From 1995 until January 2001, coach Ketelsen was the Assistant Women's tennis coach at the University of Texas, helping the Lady Longhorns capture the National Title in 1995. He and his wife, Sheryl, live in Tyler.