Mark Sisson is a health and fitness expert, and the founding father of the ancestral health movement. A former world-class endurance athlete, with a 2:18 marathon and a fourth-place finish in the Hawaii Ironman World Triathlon Championships, Mark' s blog, MarksDailyApple. com, and Primal Blueprint lifestyle program have paved the way for primal enthusiasts to break free from conventional wisdom' s diet and exercise principles. Along with his blog, Mark is an entrepreneur presiding over a wide-ranging primal enterprise: The Primal Kitchen healthy condiment line, the educational books and multimedia courses, and a health coach certification company.
Brad Kearns is Mark Sisson’ s longtime co-author, host of the B. rad podcast, and an elite masters athlete. He broke the Guinness World Record in speedgolf at age 53, is a #1 USA-ranked age 55-59 high jumper, and former US national champion and #3 world-ranked professional triathlete. He lives in Lake Tahoe, Nevada, with his wife, Elizabeth, and enjoys a daily cold plunge in the lake year-round.