Dr. Stephen McCullough attended the University of Oklahoma for both college and dental school, graduating in 1979 with a DDS degree. He received an MS in Orthodontics from the University of Michigan in 1981. After teaching full time at the University of Oklahoma College of Dentistry for two and a half years, he opened his private practice in 1984 in Yukon, Oklahoma. He has continued to teach part time at Oklahoma and am now a Clinical Professor. He became ABO certified in 1990 and am also the ABO advocate for the University of Oklahoma. I have been an examiner for the ABO since 2007 and received the Earl E. and Wilma S. Shepard Distinguished Service Award from the ABO in 2016. He is the the Assistant Course Director for the Charles H. Tweed Study Course, and received the Distinguished Service Award from the Charles H. Tweed Foundation in 2014.