Brian MacKenzie

Brian MacKenzie is a strength and conditioning coach and the creator of CrossFit Endurance. MacKenzie has been featured in Competitor, Runner's World, Triathlete, Men's Journal, ESPN Rise, The Economist, Outside, and Tim Ferriss' bestseller The 4-Hour Body. He has consulted with several teams, including the 2012 Western Athletic Conference Champions San Jose State Women's Swim Team.