Chris Mason Performance - Sheffield's leading private personal training facility. Our world class, private personal gym caters for all types of clients and our aim is to help you achieve the body, health and fitness you can be proud of, no matter your starting position. We specialise in body transformations and fat loss which mean we not only provide our clients a luxury private gym to train in but we also produce amazing client results time and time again. Check out some of our amazing client results on our website or contact us at 01142 661 157.