I joined Arizona Center for Chest Diseases in 1999. I completed medical school at the University of Kansas School of Medicine in 1989. I completed my internal medicine residency training at Banner Good Samaritan Hospital and Carl T Hayden V.A. Medical Center Phoenix, Arizona, followed by Chief Resident, and later Pulmonary / Critical Care fellowship training at the University of California, Irvine/Long Beach V.A. Medical Centers. I was in private practice in Long Beach, California for 4 years before returning to Phoenix. I am a Medical Director at Infinity Sleep Solutions, serve on Banner Good Samaritan medical executive committee and chairman of the Banner Good Samaritan critical care committee. I am a Fellow of the American College of Chest Physicians.