1. William H. Frist ( ) is a nationally recognized heart and lung transplant surgeon; former US Senate Majority Leader and senator from Tennessee; and chair of the Executive Council of Cressey and Co., a private equity firm. He serves as cochair of the Health Project at the Bipartisan Policy Center with former Sen. Tom Daschle (D-IA) and lives in Nashville, Tennessee. Frist sits on the advisory board of ZocDoc but has no financial interest in any of the organizations mentioned in this...