Mark J. Sarnak, MD MS is Chief of the Division of Nephrology at Tufts Medical Center (TMC) and the Gerald J. and Dorothy R. Friedman Professor of Medicine at Tufts University of Medicine (TUSM).   He received his undergraduate degree from Columbia University and his medical degree from the College of Physicians and Surgeons of Columbia University. He completed his residency at the Massachusetts General Hospital and his nephrology fellowship at TMC. 

His primary research interest is cardiovascular disease in CKD. He has also focused on cognitive function, novel biomarkers of kidney disease progression and hypertension. His research has continuously been funded by the NIH since 2000. He is a previous recipient of a K24 Midcareer Career Award in Patient Oriented Research and has mentored more than 20 research fellows and 9 junior attendings.  He has published more than 350 articles.   

He has a long record of national and international leadership positions.   He was Co-Chair of an AHA Scientific Statement “CKD as a Risk Factor for Cardiovascular Disease”, Co-Chair of the “KDIGO CAD and Valvular Disease Controversies Conference,” and currently is Chair of an AHA Scientific Statement on the “Cardiovascular Impact of Home Dialysis Therapies in Patients with ESKD.” 

Dr. Sarnak is a previous recipient of the Shaul Massry Award from the National Kidney Foundation, the TUSM Distinguished Faculty Award and has been elected to the American Association of Physicians.  He is an active clinician and has been recognized in Boston Magazine Best Doctors for 11 of the last 12 years.