Jason was a supervising Animator at Walt Disney Animation Studios and a supervising Animator at DreamWorks Animation Studios. After graduating from the Irish School of Animation (aka Senior College, Ballyfermot), Ireland in 1993, with a student of the year award from Don Bluth (creator of An American Tail and Land Before Time), he started straight in as a 2D animator working on various German feature productions. After a brief time in London as an Animator in computer games he got the call from Disney Animation Studios in 1995 to animate on Fantasia 2000 (Tin Soldier segment), Dinosaur (Kron and Carnataur), animation supervisor on Magic Lamp (CG genie in 3D), animation supervisor on Philharmagic (classic Disney characters in CG and 3D), supervising animator on Chicken Little (chicken little himself). He also animated on Meet the Robinsons and Big Hero 6.
Jason accepted a great opportunity in 2007 from DreamWorks Animation SKG, where he supervised and animated on Monsters Versus Aliens, Shrek 4, Megamind, Kung Fu Panda 2, Madagascar 3, The Croods and Turbo. Jason has been an Animation Director for Cinesite's Feature Animation Division since 2015.