Since 2011, Sébastien has been the director and strength coach of Axxeleration performance center in Châteauguay. He has worked with hundreds of athletes ranging from the amateur ranks to the professionals. Sébastien has a Bachelor's and a Master's degree in kinesiology where his research published in the International Journal of Exercise Science ''Contrast Training Generates Post-Activation Potentiation and Improves Repeated Sprint Ability in Elite Ice Hockey Players'' proved the positive effects of doing a pre-game training 6 hours before the competition on skating speed in hockey players.

In 2021, he obtain his PhD in exercise physiology and biology where is research ''The optimal time window for complex training in order to increase repeated sprint ability in professional ice hockey players '' help him better apply is pre-game training to optimize sports performance for each athlete he works with.

In addition, as accredited naturotherapists (ANQ) and having accumulated more than 600 hours of continuing education in nutrition, he uses a holistic approach with his knowledge in functional medicine to improve the health and well-being of his athletes by optimizing their habits and lifestyle.