Mark Diaz Truman is the co-founder of Magpie Games and the award-winning co-designer of Root: The Tabletop Roleplaying Game. In addition to work on projects like Urban Shadows, Zombie World, Our Last Best Hope, and Cartel, Mark has served as a developmental editor on a variety of roleplaying games including Firefly, 7th Sea: 2nd Ed, Masks: A New Generation, and Bluebeard's Bride. As a co-founder of the IGDN, Mark has served as the organization's President, Treasurer, and Safety Board Member.