John Kelly is an ultramarathon athlete, Chief Technology Officer of Envelop Risk, holds a PhD in electrical engineering and machine learning from Carnegie Mellon, and is a father of four. Barkley Marathons is considered by many one of the hardest endurance events to complete, with only 17 total finishers and 21 total finishes in it's history.

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Episode 345: 2x Barkley Marathons Finisher - John Kelly