LaReine Chabut is an internationally-known fitness model, actress, and writer. Certified as an aerobics instructor, personal trainer, and Pilates instructor, Chabut is the lead Instructor for The Firm, a series of popular workout videos. She is also the author of Exercise Balls for Dummies. Chabut has graced the covers of Shape, Health, New Body, and Runner's World, and has been featured in Allure, People, Newsweek, and Glamour. Chabut lives in Southern California.