Oliver Kahn street-football and a Germany and Europa-wide model of intercultural understanding, education values and prevention; the Sepp-Herberger foundation, which promotes football in schools, clubs, and prisons; and the Justin Rockola Association, whose goal is the protection of young people against violence, alcohol and drugs. He received his coaching license in 2010. After having studied business at the University of Hagen and Privatuniversität Schloss Seeburg Kahn holds a Master of Business Administration degree. In 1999, Kahn married Simone, with whom he has two children: Katharina-Maria (born 28 December 1998) and David (born 7 March 2003). The couple separated in 2003 and Kahn
Leo Kahn (entrepreneur) become a professor at Boston University. Kahn married his first wife, Dorothy Davids, in 1963 and had three children. The family resided in Chelmsford, Massachusetts, until Dorothy Kahn's death in 1975. Leo Kahn continued to operate his family's wholesale food distributor. However, he also launched a new grocery retailing division, which became known as Purity Supreme. The company initially opened small groceries, but then expanded to supermarkets. The Purity Supreme company also included the Heartland Foods Warehouse, which was called "the first successful deep-discount warehouse supermarket in the country" by Inc Magazine. One Kahn's biggest rivals was Thomas G. Stemberg,