Kimberly Lyn "Kim" Lyons (born May 5, 1973) is an American athlete, personal trainer, nutritionist, and fitness model who has appeared several times on the covers of many health and fitness magazines and has also starred on the United States version of the competitive reality television show, The Biggest Loser.
Subsequently, she appeared at the 2008 Miss America pageant as a panelist, and wrote a book entitled Kim Lyons: Your Body, Your Life.
Before she began teaching aerobics, she was considerably overweight because she struggled with depression, which she managed to conquer by exercising.
Kim resides in Hermosa Beach, California, and married German bodybuilder Gunter Schlierkamp in March 2007.
Kim Lyons was chosen as a personal trainer to be in Dr. Phil's Ultimate Weight Loss Race in his 7th season.