Hermann Tilke     Managing partner,   Partner Tilke GmbH & Co. KG     Graduate in civil engineering     Date of birth: 31st December 1954   Nationality: German     1974 School leaving examination   1974 - 1982 Course of studies at university of applied sciences, Aachen   Degreed engineer (civil engineering)   1983 Formation of an engineering company for environmental technology   Hermann Tilke, Aachen   From 1994 Engineering company for civil engineering and architecture   Formation of Tilke GmbH, Engineers and Architects   Projects: numerous major projects at home and abroad, Racetrack construction as special subject   Membership: Ingenieurkammer NRW   Bund Deutscher Baumeister   Peter Wahl     Managing partner,   Partner Tilke GmbH & Co. KG     Graduate engineer in Architecture     Date of birth: 20th September 1950   Nationality: German     1969/70 School leaving examination   1971 - 1978 Course of studies at RWTH Aachen   Degreed engineer civil engeneering, architect   1979 - 1994 Different activities and employments as an architect     Formation of architectural department at Tilke GmbH   2000 Managing Partner, Tilke GmbH   Projects: Numerous major projects at home and abroad, Racetrack construction as special subject   Membership: Architektenkammer NRW   Bund Deutscher Baumeister