Marcel was born 1964 as son of a German-Congolese familiy in Kropstädt/Lutherstadt Wittenber (former DDR) and grew up in Kinshasa, Berlin and Bonn. He studied business administration, history and arts in Cologne and Paris before starting his career in advertisting in 1989, working as copy writer with Scholz & Friends and Springer & Jacoby Hamburg. Together with Bernd Heusinger he founded the agency Zum goldenen Hirschen in Hamburg in 1995 which is is leading as active head of the creative departments across the various office locations. Today, over 325 employees work for the Hirschen Group in Hamburg, Berlin, Cologne, Munich and Stuttgart. Besides the campaigning-agency Zum goldenen Hirschen, several other agencies are part of the Hirschen Group: ressourcenmangel (online agency), Freunde des Hauses (advertisting agency) and iDeers (digital consultancy).