Prior to that, he received a Bachelor of Science in zoology and a Bachelor of Arts in psychology from the University of Tennessee. Practicing chiropractic since 1997, Dr. Vaughan is licensed by the Tennessee Board of Health and is a member of the American Chiropractic Association, the Tennessee Chiropractic Association and the Tennessee Valley Chiropractic Association. He is the former team physician for the Knoxville Rugby Football Club, and he volunteers on the emergency staff for the Dogwood Invitational gymnastic meets and AYSO soccer tournaments.