He lived in Pittsburgh for several years while earning his bachelor's degree from Carnegie Mellon University[1] and then moved to New York City, where he currently resides.
From 2005 through 2008, Walker composer numerous songs for the Emmy-nominated Disney Channel TV Series Johnny and the Sprites, becoming the music director and supervisor for Season 2 of the show.
Season 2 of Johnny and the Sprites received four Daytime Emmy Award nominations, including one for Outstanding Pre-School Children's Series.
This led to a 2011 reading produced by the Roundabout Theatre Company which starred Chita Rivera, Ana Gasteyer, and Rachel York.
The 13 tracks were performed by Broadway performers including Cheyenne Jackson, Kelli O'Hara, Telly Leung, Michael Arden, Rachel York, Lisa Howard, Peter Friedman, Andy Karl, Anne L. Nathan, Kate Wetherhead, Kerry O'Malley, Natalie Venetia Belcon, Jim Stanek, Andy Mientus, and Noah Galvin.