Kathy Kaehler, author, celebrity trainer, spokesperson and mother of three who has devoted her life to helping people live happy, productive and healthy lives. Beyond creating fun workouts, She has tackled topics including stress management, nutrition, how to get a good night's sleep and how to stay sexy and satisfied.

Kaehler believes that everyone, at any age should adopt a lifestyle that incorporates fitness, good nutrition and a positive outlook.

She appeared on the Today Show for 13 years as the show's fitness correspondent while training such celebrities as Julia Roberts, Michelle Pfeiffer, Cindy Crawford, Jennifer Aniston, Denise Richards, Claudia Schiffer and Kim Basinger. Most recently, her work with Kim Kardashian has led to a downloadable workout series called "Kim Kardashian Workout Video...Exercises Fit For a Princess."

As a prolific and best-selling author, Kaehler has written about teens, pre- and post-pregnancy fitness and the menopausal woman. Her books include Teenage Fitness, Kathy Kaehler's Celebrity Workouts and the best-selling Real World Fitness and Fit and Sexy for Life. Her video and DVD titles include, "New Dimensions" (with Cindy Crawford), "Ultimate Fit Kids", "Kathy Kaehler Workout Class" and "Kathy Kaehler Total Fitness Workout".

Kaehler has been a contributing writer to Elle, Self and Women's Sports and Fitness; her workouts and training tips have appeared in In Style, Us Weekly, Shape, Fitness, Family Circle, Health, More, Allure, Marie Claire, and Woman's Day. She is a regular contributor to MSNBC.com and writes a monthly column for the Los Angeles Daily News that is syndicated to major markets. She has also appeared on The View, The Megan Mullally Show and The Best Damn Sports Show.

For more on Kathy, go to: kathykaehlerfitness.com.