Darshak Sanghavi, MD, is the Chief Medical Officer and Senior Vice President of Translation at OptumLabs. Prior to his current role, he was the Director of Preventive and Population Health at the Center for Medicare and Medicaid Innovation within the U.S. Department of Health and Human Services, where he oversaw the development of large pilot programs aimed at improving the nation’s health care costs and quality. In this capacity, he was the architect of numerous initiatives, including the $157 million Accountable Health Communities model, the 3 million Medicare beneficiary Million Hearts Cardiovascular Risk Reduction model, and the certification and design of the $1 billion Medicare Diabetes Prevention Program. Dr. Sanghavi was formerly the Richard Merkin fellow and a managing director of the Engelberg Center for Health Care Reform at the Brookings Institution, where he directed efforts to better engage clinicians in health care payment and delivery reform. He is also an associate professor of pediatrics and the former chief of pediatric cardiology at the University of Massachusetts Medical School, where he was charged with clinical and research programs dedicated to children's heart defects. Dr. Sanghavi is an award-winning medical educator, who has worked in medical settings around the world and published dozens of scientific papers on topics ranging from the molecular biology of cell death to tuberculosis transmission patterns in Peruvian slums. A frequent guest on NBC's Today and past commentator for NPR's All Things Considered, Dr. Sanghavi is a contributing editor to Parents magazine, a health care columnist with Slate, and has regularly written about health care for the New York Times, Boston Globe, and Washington Post. His best-seller, A Map of the Child: A Pediatrician's Tour of the Body, was named a best health book of the year by the Wall Street Journal.