Stephan Jentsch has studied in RWTH Aachen and at ETH Zürich and is a member of the German Chamber of Architects. He has worked at renown architecture firms in Germany and the Netherlands. For Philip Johnson he has built up an office in Shanghai. For German Obermeyer he has restructured and opened several new offices in Asia in the urban and infrastructure sector.

Today Stephan owns with two partners the project management company JKM. The company supports clients with the largest German infrastructure projects and has a focus on sustainable energy and traffic.

In PLAZE, Stephan is responsible for concepts and project initiation and he is the managing director of PLAZE planners.