"James ""Duffy"" Gaver is a former Marine sniper and ex-Navy SEAL turned celebrity personal trainer. His A-list clients include Ashton Kutcher, Brad Pitt, Scarlett Johansson, Adam Sandler, Channing Tatum, Chris Hemsworth, and Chris Pratt to name a few. He has worked in the film industry for many years."
When I met Duffy I was 285 lbs. I had just been cast in a Marvel movie and needed help getting my body in the right shape. For months I did what he told me to do. He changed everything--my diet, my routine, and my life. If you are willing to meet him half way, he can do the same for you. --Chris Pratt, Actor One of the most passionate, dedicated, and inspirational trainers I have worked with. A true warrior of the mind, body, and heart. He gives you wings to fly. --Pierce Brosnan OBE, Actor There's marketing. There's profit. Then there's truth. --Alice Eve, Actress He's a good trainer and not a prick. --Brad Pitt, Actor Ain't nobody like the Duff! Makes every workout extremely interesting and efficient. Weights. Running. Swimming. Always more fun to mix it up. I love the Duff! My family loves the Duff. Most importantly, Zohan loves the Duff. --Adam Sandler, actor Duffy's knowledge of health and fitness is undeniable. Though his workouts may be tough, he's kind and insightful and helps you work on your body with a purity that doesn't involve the extra nonsense of ego or vanity. I would highly recommend anyone who wants to learn about health and fitness to learn from a master like Duffy. --Emory Cohen, actor When I first got cast as Thor I was sent straight to Duffy as he was quickly becoming Marvels go to guy to get superhero fit and to this day I continue to implement his methods to maximize the opportunity to build the best version of myself. Not only a wealth of knowledge and experience in the space of health and fitness but one of my favorite people to be around. Genuine, honest and fully committed to the task at hand. Beyond appreciative for his no BS get it done attitude and down to earth way of motivating and keeping goals in perspective and most importantly making the experience enjoyable. A good old fashion true bloody legend!! --Chris Hemsworth, Actor