Mayor of the City of Aachen
Between 1999 and 2009, Philipp was Member of the Council of the City of Aachen and Chair of the Commission for Business, Science, and European Matters. Also, he is Chair of Ratshausverein e.V. and and the Board of the Aachen City Hall Foundation.
Before his appointment as Mayor, Philipp was active as a master craftsman of painting and varnishing, with a state certification for business administration from the Aachen Chamber of Crafts (HWK), and a state certification in restoration in painting. In 1996 he became managing partner at a skilled labor company.