Sandy Petersen

Carl Sanford Joslyn "Sandy" Petersen (born September 16, 1955) is an American game designer. He worked at Chaosium, contributing to the development of RuneQuest and creating the horror role-playing game Call of Cthulhu. He later joined id Software where he worked on the development of the Doom franchise and Quake. As part of Ensemble Studios, Petersen contributed to the Age of Empires franchise.