His clients included some of the largest corporations and ad agencies in the world. He spent time as a character designer for the Adventures of the Galaxy Rangers animated series. He moved to video games where he started as a lead artist which, over the years, lead to directing games, running studios and ultimately starting his own studio called Sledgehammer Games. His games have won over 100 awards including back to back Action Game of the Year awards.
He speaks around the world on the Art of Inspiration, creativity and art. He draws or paints every single day. Glen is married to his wonderful wife Barbara, and has three children.