Michael F. Cannon is the Cato Institute's director of health policy studies. Cannon is ""an influential health‐care wonk"" (Washington Post), ""ObamaCare's single most relentless antagonist"" (New Republic), ""ObamaCare's fiercest critic"" (The Week), ""the intellectual father"" of King v. Burwell (Modern Healthcare), and ""the most famous libertarian health care scholar"" (Washington Examiner). Washingtonian magazine named Cannon one of Washington, DC's ""Most Influential People"" in 2021, 2022, and 2023.