Question: 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?

Context paragraphs:
Impressions Advertising &amp; Marketing: Impressions Advertising & Marketing is an American game company that produces role-playing games and game supplements.

Lumpley Games: Lumpley Games is an American game company that produces role-playing games and game supplements.

Kobold Press: Kobold Press, also known as Open Design, is an American game company that produces role-playing games and game supplements.

Night Sky Games: Night Sky Games is an American game company that produces role-playing games and game supplements.

OtherWorld Creations: OtherWorld Creations is an American game company that produces role-playing games and game supplements.

Matt James (game designer): Matt James (born 1981) is an American game designer and a decorated veteran of the United States Army.  As a game designer, James is best known for his online and print works for the "Dungeons & Dragons" fantasy role-playing game published by Wizards of the Coast, "Pathfinder" role-playing game by Paizo, and Privateer Press.  He has also designed game content for Wolfgang Baur's Kobold Press (formerly Open Design LLC).  In 2012 James won an ENnie Award for "" and has been nominated for several Origins Awards.  In 2014, James won an ENnie Award for "".

Living Room Games: Living Room Games is an American game company that produces role-playing games and game supplements.

Gamescience: Gamescience is an American game company that produces role-playing games and game supplements.

Posthuman Studios: Posthuman Studios is an American game company that produces role-playing games and game supplements.

Different Worlds Publications: Different Worlds Publications is an American game company that produces role-playing games and game supplements.

Supporting paragraphs: Matt James (game designer) Kobold Press
Answer: Kobold Press