Here is his own bio in English:
As a boy, Gregory practiced various sports during his school years, and also while taking his 3 years' degree in Physical Activity and Sport Science and Technology (STAPS) : soccer, athletics, motocross, judo, sailing, rock-climbing and so on.
For the last three years or so, he has entirely dedicated his time to workout and race with an aesthetic end in mind, but also in order to build up a healthy, strong and robust body, reaching at the same time an amazing psychological well-being.
Not only a sporty and energetic man, Greg is dedicated to everything he undertakes, therefore highly motivated and determined ! He is also a true perfectionist who will help his clients to perform their different tasks and exercises so that their results would be the best possible.
As an open-minded man, Greg can easily adjust to different personalities , sport levels and profiles.And a video of him at work: