Celebrity Fitness Gurus

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Exercise physiologist and certified personal trainer Bob Greene has a lot of work on his hands. His most famous client, Oprah Winfrey, recently confessed she had fallen off of the diet wagon and is tipping the scales at 200 pounds.

Bob Greene

(Photo by Frederick M. Brown/Getty Images / January 21, 2009)

Exercise physiologist and certified personal trainer Bob Greene has a lot of work on his hands. His most famous client, Oprah Winfrey, recently confessed she had fallen off of the diet wagon and is tipping the scales at 200 pounds.