[2] Deal enrolled as a student at George Mason University in 1999, studying art with a concentration in painting.
Deal lived and worked as a graphic designer then self-employed artist in the Washington, D.C., area for 16 years.
He has been heavily involved with the #changethename movement, which addresses the Native American mascot controversy and has appeared on an episode of Totally Biased with Kamau Bell as well as The Daily Show with John Stewart.
[14] Gregg Deal cites James Luna, a Payómkawichum(Luiseño) as one of his main influences.
Deal also mentions several Indigenous artists that inspire him: Jaque Fraqua, Ernesto Yerena, Nani Chacon, Cheyenne Randall and Jared Yazzie.