Declan began his career with Don Bluth Animation Studios in Dublin. Here he spent six years as an animator on the feature films Thumbelina,
A Troll in Central Park and Rock-a-doodle etc.
He moved to the U.S. to work for 20th Century Fox Animation as a directing animator. Here he spent seven years working on Anastasia, Bartok the Magnificent and Titan AE plus some games for Viacom.
When Declan returned to Ireland he continued to work in the art world, creating comics, animations, 3d and concept art for many of the top companies worldwide. Today he is an accomplished artist and has worked on projects such as Age of Gods, Disney’s Epic Mickey, Kingdom Hearts, Wreck-it-Ralph and more recently Star Wars Attack Squadrons.