Thursday, Apr. 01, 2010

Mehmet Oz

Age: 49
Occupation: "America's doctor"
Previous TIME 100 Appearances: 1

The Columbia University–New York Presbyterian Hospital surgeon and best-selling author was a frequent contributor on Oprah's show before his own daytime program, The Dr. Oz Show, premiered last year. With legions of fans, he appears to be on his way to making everyone in the U.S. his patient.