Mark is the creator and series editor of the Game Programming Gems family of books. He is currently involved with games technology consulting, from studio, concept and pipeline analysis to low-level performance optimization. He has a passion for making game development more streamlined, efficient, and accessible. Most recently, Mark was VP technology for GreenScreen Interactive, a new games publisher focusing on original titles. Mark has also served in a variety of technology-related roles at Nintendo (lead engineer), Sony (manager of developer relations), and Ubisoft (technical director), and as editor-in-chief of Game Developer magazine. He is currently a member of the board of directors for the International Game Developers Association, and a judge for the Independent Games Festival. Mark maintains a website at http://www.satori.org.