Dr. Krishna Sundar is a Professor of Clinical Internal Medicine and Director of the Sleep Medicine Program at the University of California, Davis. He is board-certified in Pulmonary Disease, Critical Care Medicine, Sleep Medicine, and Internal Medicine, and is a Fellow of the American Thoracic Society, the American Academy of Sleep Medicine, and the American College of Chest Physicians.

Dr. Sundar has extensive expertise in outpatient pulmonary and sleep medicine, and inpatient experience in ICU, trauma and hospital settings. He has served in mass disaster, bioethics and disaster preparedness committees within Intermountain Health Care and was the Director of Critical Care trials at Utah Valley regional medical center.