Geoff Castellucci was born in Alexandria, VA and with well over 10,000 professional a cappella performances to his credit, has been singing since he can remember. His earliest musical memories are of playing the piano at his grandfather's house in upstate NY when he was just five years old and break-dancing for home-movies. After seven years of classical and jazz piano training, Geoff branched out to vocals and guitar, but still loves to play the keys.
Geoff got his first taste of a cappella through singing in the middle school choir, but didn't really develop as a "bass man" until high school when he co-founded 42Five with Layne, Earl, and former members Scott Porter (yes, that Scott Porter) and Michael Kilgore.

Although Geoff's first love was music, he married his second in the summer of 2007 and enjoys nothing more than spending time at home with his beautiful and talented wife Kathy--- Although she sometimes takes a back seat to his other loves which include an unhealthy addiction to Twinkies, Diet Coke, Alton Brown, Starbucks coffee, South Park, 1st edition hardcovers, William Shatner and anything with an Apple logo on it.

The brainchild behind many of 42Five's onstage antics, Geoff finds his creative outlet in penning arrangements for the band and coming up with new and innovative ways to embarrass the guys on stage. When not working with 42Five, Geoff can be seen making the rounds at Orlando area theme parks including Frankenstein and Elwood Blues at Universal Studios Florida.