Matt James, born in 1981, an American game designer and a decorated veteran of the United States Army, and has also designed game content for which American game company that produces role-playing games and game supplements, also known as Open Design?
Matt James (game designer):  He has also designed game content for Wolfgang Baur's Kobold Press (formerly Open Design LLC). Kobold Press: Kobold Press, also known as Open Design, is an American game company that produces role-playing games and game supplements.
Kobold Press