Dietmar Hopp (born 26 April 1940, in Heidelberg, Germany) is a German software entrepreneur. He was one of the founders of SAP AG in 1972 with other former IBM employees Hans Werner Hector, Klaus Tschira, Claus Wellenreuther and Hasso Plattner. At one point he was the 698th richest person in the world (according to Forbes Magazine).