Christopher attended Ex'pression College from 1999 to 2002, where he obtained an Associate of Applied Science in Visual Media. Prior to that, from 1996 to 1998, he attended El Camino College. He began working as a rotoscoping artist at Tippett Studio from November 2000 to November 2001. Christopher then worked as a senior artist at Shaba Games from November 2001 to September 2005. Following that, he joined Treyarch Corp as an artist from October 2005 to September 2008. Christopher worked at Luxoflux as an artist from September 2008 to May 2009. Finally, he became a senior environment artist at Treyarch in June 2009.