Gerry started his career in fitness by completing the Certificate course. He progressed through the pathway and trained as a tutor. He continued his education to post graduate level and has an MSc in Exercise & Nutrition Science. He has worked for Motions for a number of years and specialises in Strength & Conditioning, Fitness evaluation and programme design.
He has a keen interest in sport and works as a personal trainer with a number of individual athletes in sports such as swimming, martial arts and rugby. He is currently coaching athletics with Fingallians A.C. He has also coached a number of senior gaelic football clubs.