Graymark Healthcare Inc, Oklahoma City, has appointed Steven Glen Hull, MD, as the company’s new chief medical officer. Hull succeeds Kevin Lewis, MD, who departed Graymark to pursue other interests.

Hull brings more than 15 years of sleep medicine experience to the position, serving in a variety of upper-level management and director roles for numerous sleep centers and facilities. Previously, he was promoted to CMO from his position as president and medical director of somniTech and somniCare, He will maintain these positions as well as remain on staff in his part-time role as the director of sleep disorders and vaccine research for Vince and Associates Clinical Research, an independently owned research company.

Hull has also served on the Blue Cross Blue Shield of Kansas City Medical Advisory Committee and as chairman of the Continuing Medical Education Committee for the American Academy of Sleep Medicine. He also previously served as CEO of Avastra Sleep Centers, as well as associate medical director and sleep disorders clinical director with Kaiser Permanente Medical Group of Mid-America.

Hull received his BS in biology from the University of Illinois and earned his medical degree from Southern Illinois University, and was formerly a clinical assistant professor at the Department of Family Medicine, Kansas City University of Medicine and Biosciences. He has participated in more than 275 clinical trials primarily focused on sleep. He is also a well-published author and former associate editor of the journal Sleep and The Journal of Clinical Sleep Medicine.

"Steven brings to this important position a tremendous breadth of knowledge, experience, and accomplishment in the sleep medicine field, as well as a strong track record of effective leadership and sleep care at somniTech and somniCare," said Stanton Nelson, Graymark’s chairman and CEO. "His passion for improving the quality of life of our patients supports our mission of providing comprehensive sleep management care. We look forward to his continued contributions to the field of sleep medicine as our new chief medical officer."