Martin is a global business executive, fitness entrepreneur, avid hiker/mountaineer, and an advocate of not retiring young but staying active, vital, and productive. He served on the executive management teams of Bally Total Fitness, Crunch Fitness, and 24 Hour Fitness. At age 64, he is not slowing down but working harder than ever, training for the high peaks of the world while juggling two business startups, one positioned at the forefront of the Longevity Economy. This is all chronicled in his recent book, Secrets of Aging Well: Get Outside.