Stefan Fassbinder, born 1955, is an electrical engineer at DKI Deutsches Kupfer-Institut, a non-profit organization representing the copper industry in Germany, Austria and Switzerland. DKI was founded in 1927 to provide free advice and assistance to all users of copper and copper alloys in industry, institutes, universities and also to individuals, students, artists and the general public.

Stefan Fassbinder's activities at DKI also include to plan and carry out market studies, marketing activities and project work on special electrical engineering projects. He had collected 3 years of industrial experience with big transformers, 1 year with toroidal transformers, and 5 years with small transformers before joining DKI in April, 1995.