Chris Powell is the trainer and transformation specialist on ABC's "Extreme Makeover: Weight Loss Edition," which debuted as the number one TV show in May 2011.

Throughout the first season, Powell traveled the country in a documentary-style series, where he used his innovative techniques, education and expertise to guide extremely overweight individuals as they shed hundreds of pounds over the course of a year. "Extreme Makeover: Weight Loss Edition" is now in its forth season.

Adding best-selling author to his list of accolades, Powell's first book "Choose to Lose," was released in December on 2011 and soared to the top of the New York Times Best Seller list. The book provides motivation, nutrition, exercise, tips, and tricks to help anyone lose those last twenty pounds. Powell released a second book, "Chris Powell's Choose More, Lose More for Life" in 2013.

Powell holds a degree in Exercise Science, with concentrations in biomechanics and physiology and the training accreditation: The Certified Strength and Conditioning Specialist (CSCS). He is a regular contributor to "Good Morning America" and "The Doctor Oz Show," and has been the Transformation Pro on KTVK's "Good Morning Arizona" for the last eight years delivering tips, shortcuts, and tricks of the trade to the largest news viewing audience in Arizona.

Powell exploded onto the fitness scene with his unorthodox approach, becoming a pioneer for a new hybrid of fitness professionals. He has captured national attention with the largest and fastest natural weight loss ever documented, transforming the life of David Smith who lost 401 lbs in 26 months. It was Powell's unyielding dedication to another that captured the heart of America as he shared his story on such national shows as "The Oprah Winfrey Show," "20/20," "The View," as well as a one-hour documentary for TLC.

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