He received his undergraduate degree from Yale and his medical degree from Johns Hopkins, followed by Internal Medicine residency at the University of Rochester. During his fellowship in Pulmonary and Critical Care Medicine at Boston University, he obtained additional training in Sleep Medicine and performed research in sleep epidemiology using data from the Framingham Heart Study. He moved to Atlanta to join the Emory faculty in 2001 as a clinician educator. From 2001 to 2016, he served as medical director of the Emory Sleep Laboratory; while his clinical practice initially incorporated components of both pulmonary disease and critical care medicine, his current clinical focus is on the diagnosis and management of sleep disorders as part of the Emory Sleep Center.