Dan O'Sullivan has been with DEFINITION 6 since 2011 and has worked in entertainment for close to two decades. With a background in music composition, production, and sound design, he has written and mixed for both long and short form media as well as installation pieces and virtual reality ambisonics. Various clients throughout his career include BBDO, Coca Cola, CBS Sports, Ford, Spike Lee, and VISA; as well as Adult Swim, CBS, CMT, Food Network, HBO, MTV, NBC, Nickelodeon, Oxygen, SyFy, TruTV, USA, VH1, and WEtv.
Dan was awarded a coveted Sports Emmy Award for the 2017 Army Navy Game and a ProMax Gold for the 2017 Nickelodeon Kids Choice Awards. He is a proud father of two little girls (three if you count his dog Georgia) a kickboxing instructor, a triathlete, a motorcycle enthusiast, a former competitive Thai boxer, the world’s biggest fan of buffalo wings and an aspiring Rubik's Cube wunderkind.