From Halopedia, the Halo wiki
Jonathan David Goff, aka GLYPH, was a Community Manager, Program Manager, writer and artist at 343 Industries. Previously, Goff has served in the United States Air Force, before spending six years developing creative content for action figure, comic book, and entertainment properties at the McFarlane Companies in Tempe, Arizona. More recently, he moved to the Pacific Northwest to work for 343 Industries and lived in Redmond, Washington with his wife Maria. From November 2009 to November 2010, he was a Community Manager, and from December 2010 to April 2011, he was a Program Manager for the Halo franchise. He has now left 343 Industries.