Andy Petranek

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Tom has since dedicated his life to his two passions of sports and inventing. He is currently a triathlon coach at the University of California at San Diego and creator of TitanFlex bikes. He is also certified as a USA Olympic Triathlon coach.
The Oxygen Advantage: The Simple, Scientifically Proven Breathing Techniques for a Healthier, Slimmer, Faster, and Fitter You
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