Pete McCall is the owner and president of All About Fitness and host of the All About Fitness podcast. He is certified as a personal trainer through the American Council on Exercise (ACE) and the National Academy of Sports Medicine (NASM), and he holds a CSCS (Certified Strength and Conditioning Specialist) certification from the National Strength and Conditioning Association (NSCA). He is the author of Smarter Workouts: The Science of Exercise Made Simple.

McCall is a sought-after resource for accurate, in-depth insight on how to get results from exercise. He is frequently quoted as a fitness expert in national publications such as Wall Street Journal, New York Times, Washington Post, Men's Fitness, Shape, and Self. McCall has more than a decade of experience educating personal trainers around the world, including teaching for both ACE and NASM. He is a master trainer for Core Health & Fitness (the parent company of Nautilus, StairMaster, Star Trac, and Schwinn), a content contributor for 24 Hour Fitness, and an adjunct faculty member in exercise science at both Mesa Community College and San Diego State University. He has delivered wellness education talks for the U.S. Navy (at Naval Air Station North Island), the White House, the World Bank, the International Association of Fire Fighters, and Reebok.

McCall earned his master's of science degree in exercise science and health promotion from the California University of Pennsylvania, and he holds the Fellow in Applied Functional Science credential from the Gray Institute.

McCall is a semiretired rugby player, playing front row forward (all three positions) for Santa Monica Rugby Club, Potomac Athletic Club, and the Boston Irish Wolfhounds, where he was a member of the 2007 men's Division III national championship team. He enjoys mountain biking, obstacle course races, hiking, keeping up with his two children, and coaching youth rugby.