Jim Karas

Named one of the best personal trainers in the country by Allure magazine, Jim Karas is the author of the New York Times bestseller The Business Plan for the Body and Flip the Switch. He is a graduate of the Wharton School and the founder of Jim Karas Personal Training, LLC, which has trained more than five hundred clients in Chicago and New York.

Books by this Author

Are you constantly pounding away on the treadmill but never losing a pound? Does every step on the StairMaster become more and more painful? Are you tired of endless workouts that only make you want to eat more? Cardiovascular workouts do burn a few calories, but far fewer than you think. And the more cardio you do, the hungrier you feel. Not only does cardio fail to help you lose weight, but it kills -- it kills your time, your energy, your joints, and your motivation. You burn a few measly...

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