Guy Raz interviews the world’s best-known entrepreneurs to learn how they built their iconic brands. In each episode, founders reveal deep, intimate moments of doubt and failure, and share insights on their eventual success. How I Built This is a master-class on innovation, creativity, leadership and how to navigate challenges of all kinds. 
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In 1997 Navy SEAL Randy Hetrick was deployed in Southeast Asia where he was stationed in a remote warehouse for weeks with no way to exercise. So he grabbed an old jujitsu belt threw it over a door and started doing pull-ups. Today TRX exercise straps dangle from the ceiling in gyms across the country and are standard workout gear for professional athletes. PLUS in our postscript 'How You Built That' how Whitney Sokol created SproutFit — adjustable onesies and leggings that grow with your 

TRX: Randy Hetrick

How I built this