Al Roker

Al Roker weighed over 340 pounds in 2002 — wearing a size 60 suit — when he opted to turn to surgery. The bubbly weatherman on NBC’s Today show underwent gastric bypass surgery that year and lost 140 pounds as a result. Even after the operation, one has to work to maintain his or her weight, and Roker has worked hard not to fall back into bad habits.
In 2013, Roker published a book titled Never Goin’ Back: Winning the Weight-Loss Battle for Good.