In 2000 he joined Visteon as the Head of the European Lighting Group. In 1997 he became the global director of lighting development at Magneti Marelli in Turin (Italy). In 1984 he joined Bosch in Stuttgart, where he spent 13 years in Research and development of Automotive Lighting. Rainer Neumann studied physics at the university in Frankfurt/Main, where he did his diploma and Ph.D.