Lisa M. Kern, MD, MPH is an Associate Professor of Medicine, Associate Professor of Population Health Sciences, and Associate Director of Research in the Division of General Internal Medicine in the Department of Medicine at Weill Cornell Medicine. Dr. Kern’s clinical background is in general internal medicine, and her MPH degree included a concentration in health policy and management. Dr. Kern is a health services researcher whose work focuses on improving the delivery of ambulatory care, especially for patients with chronic conditions. She has become a national expert on healthcare fragmentation in the ambulatory setting, which occurs when a patient is cared for by many different outpatient providers, but no single provider accounts for a substantial proportion of visits. Dr. Kern is currently conducting two pragmatic clinical trials to address fragmented care and prevent avoidable adverse consequences. Dr. Kern has published more than 110 peer-reviewed articles. She has served or is serving as PI or co-PI on 18 grants and contracts. Funding for Dr. Kern’s work has come from the National Heart, Lung, and Blood Institute (NHLBI) (including a recently completed R01), the National Institute on Aging, and the Agency for Healthcare Research and Quality, among other sources. Dr. Kern served for 4 years as a standing member of one of NHLBI’s K study sections (2018-2022), including serving as chair of the study section in the 4^th year (2021-2022). Dr. Kern has 20 years of experience teaching research methods and, separately, healthcare organization and delivery, for all levels of trainees (including medical students, residents, fellows, master’s students, and junior faculty). Dr. Kern currently serves as a co-mentor for 2 K awardees. Dr. Kern received her undergraduate and medical degrees from Harvard University, and she received her Master of Public Health degree from Johns Hopkins University.