Berthold Leibinger (* 26 November 1930 in Stuttgart, Germany) is a German engineer, entrepreneur and philanthropist. He is founder of the non-profit foundation Berthold Leibinger Stiftung and Associate of the German company Trumpf.
Born in Stuttgart, Berthold Leibinger graduated with Abitur(General Certificate of Education) at the Ulrich-von-Hutten Gymnasium in Korntal in 1950. He started an apprenticeship as a mechanic at Trumpf and then studied mechanical engineering at the Technische Hochschule Stuttgart. After graduating with a Diplom he became a development engineer in 1958 at Cincinnati Milling Machines (today: Milacron) in Cincinnati (USA). In 1961 he returned to Germany and to Trumpf as head of engineering division. In 1968 he developed the first contour nibbling machine tool with numerical control. The owner of the company, Christian Trumpf, having no children, named Leibinger as his successor. Leibinger successively took over shares of the company and served as President from 1978 to 2005. On 18 November 2005, he retired from management and became Chairman of the Supervisory Board of the Trumpf Group until the end of 2012.
Under the management of Berthold Leibinger Trumpf became one of the world’s largest manufacturer of machine tools, in particular due to the consequent combination of mechanics and electronics. Trumpf is also one of the largest manufacturers of industrial laser technology and machines for laser cutting.
Berthold Leibinger has been appointed to several important political and economical positions. From 1985 to 1990 he was President of the Chamber of Commerce of the Stuttgart Region and from 1989 to 1992 he served as President of the German Association of Machinery Manufacturers VDMA. He was a member of the supervisory boards of Deutsche Bank and BMW among other companies. From 1999 to 2003 he was Chairman of the Supervisory Board of the chemical company BASF. Berthold Leibinger was Counselor of the Federal State Government of Baden-Württemberg from 1994 to 2005.