been involved in the design and development of four boardgames published by Petroglyph; Panzer General: Russian Assault, Panzer General: Allied Assault, Guardians of Graxia, and Heroes of Graxia. References External links Kroegel's rap sheet from MobyGames 1952 births American chief executives American chief operating officers American game designers American video game designers Board game designers Dungeons & Dragons video game designers Living people