Holger Gravius, born 1968 in Essen, studies at Technical University RWTH, Aachen, diploma 1996, and Architectural Association, AA diploma 1998, London - landart workshop with Shin Egashira in Tokyo, Japan - architect at Norman Forster and Partners, London (Multi Media Center Rotherbaum Hamburg, Desing Center Zeche Zollverein Essen) and Ingenhoven, Overdiek and Partner, Düsseldorf (design of a new Main Station Essen, realization fair stand Audi IAA, realization headquarter of civil services Düsseldorf, realization headquarter Lufthansa Frankfurt) - 2000 project manager for general contractor, Ernst Lückhoff GmbH, Duisburg - 2001 founding of the office KenChiku for architecture + design.