Leave Your Mark

This EP features Sean Donellan.  Sean has been in the fitness, performance, and rehabilitation field for over 35 years. He was the NHL’s first Director of Sports Performance, for the New York Islanders. Where using a medical model he assembled and oversaw all aspects of the sports performance department from 2011-2024.This period was his second stint with the team as he served as the Assistant Athletic Trainer and then Strength and Conditioning Coach from 1996-2003. After leaving the team in 2003 Sean moved back to his native New Jersey and worked in the commercial sports performance industry, most notably as the Director of Sports Performance for Velocity Sports Performance in Mahwah NJ from 2005-2011.He then founded Donellan Sports Performance where he specialized in training elite athletes at different facilities throughout the North Jersey area Aside from his 20 seasons in the NHL, Sean has been fortunate to work with a wide range of exceptional athletes during the course of his career including athletes