Grant enlisted in the Marine Corps in 2004 and served for eight and a half years. He served as a Marine Scout Sniper and deployed three times in support of Operation Iraqi Freedom with First Battalion First Marines, eventually obtaining the billet of Scout Sniper Team Leader. In 2008, Grant reported to the First Marine Division Scout Sniper School in Camp Pendleton, CA to serve as a Sniper Instructor, where he remained until he separated in 2012. Grant began attending community college at Santa Monica College in Santa Monica, CA in 2013 and transferred to UCLA the following fall. Grant graduated from UCLA with a B.A. in anthropology in the spring of 2016 and is currently a law student at the Pepperdine University School of Law in Malibu, CA.