As a Stunt Performer he has worked on movies like IF_(film) (starring Ryan_Reynolds) and Confess,_Fletch (starring Jon_Hamm) and TV shows like Law & Order: Organized Crime, The Gilded Age (TV_series), Bull (2016 TV series), The Equalizer (2021 TV_series), Dickinson (TV_series), Lisey's Story (TV_series), Prodigal Son (TV_series), Blue Bloods (TV_series), City on a Hill (TV_series), and Gotham (TV_series).
In 2017 Kirby published a reprint of Donald McBane's "The Expert Swordsman’s Companion" with an amazing introduction by Ben Miller.
He teaches fencing and personal defense at SUNY Purchase,[4] Sarah Lawrence College, The Tom Todoroff Conservatory and at the Leonia Rec Dept.
[5] He teaches a variety of workshops across the US and around the world including Canada, England, Scotland, Finland, Italy and Australia.
He has taught at the Paddy Crean International Art of the Sword Workshop,[6] CombatCon in Las Vegas,[7] the NYCSS Summer Intensive,[8] the International Sword fighting and Martial Arts Convention (ISMAC),[9] Rapier Camp and the Western Washington WMA Workshop amongst many others.