David C. Hatcher, DDS, MSc, MRCD(c) received his DDS degree from the University of Washington. Subsequently, he completed two years active duty in the U.S. Public Health Service and a one-year general practice residency program at the University of Vermont Medical Center. Dr. Hatcher entered the graduate program in radiology at the University of Toronto and was granted a specialty degree in Oral and Maxillofacial Radiology in 1982 and a MSc in 1983. His thesis topic was the radiology of temporomandibular disorders. Presently Dr. Hatcher is in private practice in Sacramento, California and has faculty appointments as Clinical Professor at the University of California San Francisco, University of California Los Angeles, University of California Davis and University of the Pacific. Dr. Hatcher is active in research related to TMD, 3-dimensional geometric morphometrics and applications of artificial intelligence to image analysis and airway.