Teofilo L. Lee-Chiong Jr., MD is a Professor of Medicine at National Jewish Health and at the University of Colorado Denver School of Medicine. He has authored or edited 16 textbooks in Sleep Medicine and Pulmonary Medicine and has participated in more than 30 research projects. He edits and reviews several medical journals and publications. Dr Lee-Chiong completed his internship and residency in internal medicine and his pulmonary and critical care medicine fellowship at Yale, and his post-fellowship training in Sleep Medicine at Dartmouth. He joined Philips Respironics as its Chief Medical Liaison in 2011. He has Chaired numerous associations and committees and has served on the Council of Governors for the American College of Chest Medicine (ACCP).