Dr. Yousefian graduated from Washington University, post-graduate training in orthodontics, dual Masters of Science Degree in biology, physical anthropology at Ohio State University. He is Diplomate of American Board of Dental Sleep Medicine and Orthodontics and is in private practice in Bellevue Washington. He has collaborated to several NIH funded clinical trials in airway, open bite, TMJ disorders. He has served as a Clinical Assistant Professor at the Ohio State University and University of Washington, is a guest lecturer at the University of Missouri-Kansas City. He is lecturer nationally-internationally. He has contributed thirty publications in peer-reviewed journals and twelve textbooks.