Marty Makary, M.D., M.P.H. is a surgeon at Johns Hopkins Hospital and an Associate Professor of Health Policy at the Johns Hopkins University School of Public Health. He is a regular medical commentator for CNN and FOX News, and appears weekly on a wide variety of programs to discuss health topics. He is a leading patient-safety researcher and led the World Health Organization effort to develop ways to measure healthcare quality. He tweets @DrMartyMd.