Erich Rauschenbusch has been a partner of Grazia Equity GmbH since its inception, mainly in charge of technical affairs. After studying mechanical engineering in Buenos Aires and Stuttgart, he worked for a German car manufacturer for three years upon graduation. During a one-year stay in the USA Erich Rauschenbusch worked in product development for American car companies, subsequently joining a German automotive supplier in 1964. In 1967 he became head of R&D, and from 1969 until 1976 he was a member of the executive management. In 1977, Erich Rauschenbusch founded his own automotive supplier company, of which he was managing director until 1998.