Bob Greene is an exercise physiologist and certified personal trainer specializing in fitness, metabolism, and weight loss. He has been a guest on The Oprah Winfrey Show. He is also a contributing writer and editor for O, The Oprah Magazine, and writes on health and fitness for Oprah.com. Greene is the bestselling author of Get With the Program!, The Get With the Program! Guide to Good Eating, The Get With the Program! Daily Journal, and The Get With the Program! Guide to Fast Food and Family Restaurants.