Gabe began coaching in 2020, when he started working with the Junior fencers at VRI and ran the fencing sessions at Trinity Grammar. In 2025, he began coaching weekly wheelchair fencing sessions run at the State Fencing Centre.
 
As an athlete, Gabe started fencing in 2007. His career highlights include an Individual U15 National Championship, multiple National Team Championships across U15, U17, U20, and Open age categories, plus a Senior Oceanic Championship. His results were built upon multiple European training tours with Coach Gerry Adams, featuring time with the National Hungarian and Italian coaches.