Dhruv Khullar, M.D., MPP, is a physician and associate professor of health policy and economics at Weill Cornell Medical College. He is also a writer at The New Yorker, where he covers medicine, health care, and politics. He serves as director of the Physicians Foundation Center for the Study of Physician Practice and Leadership, and associate director of the Cornell Health Policy Center. His research focuses on value-based care, health care consolidation, and medical innovation, and has been published in JAMA and The New England Journal of Medicine.