Kniffin, 50, earned a bachelor's degree in education from UT in 1985 and a masters degree in health education in 1987. He served as a student trainer for the Longhorns from 1981 to 1985.
A nationally certified and state licensed athletic trainer, Kniffin worked at a physical therapy clinic in Austin from 1985 to 1988. He is a member of the National Athletic Trainers Association, Southwest Athletic Trainers Association and Brazos Valley Athletics Trainers Society. In addition to working with the athletic department, Kniffin teaches "Athletic Injuries" and "Advanced Athletic Injuries" in the department of health and kinesiology department.
A 1979 graduate of Killeen High School, Kniffin is married to the former Pam Siptak (A&M Class of '88) of Navasota. The couple has two daughters-Abbey (17) and Sydney (14).