Hariolf Kottmann is a German businessperson who has been the head of 7 different companies. Dr. Kottmann occupies the position of Chairman of Clariant AG and Chairman for Clariant International AG (a subsidiary of Clariant AG). Dr. Kottmann is also on the board of The International Council of Chemical Associations (former President & Director), Plansee Holding AG, Aventis Foundation and ETH Zürich Foundation and Chairman at Clariant Foundation. In his past career he was Chief Executive Officer for SGL Carbon SE, Chairman-Supervisory Board for Süd-Chemie AG, Deputy Head-Basic Chemicals Division at Hoechst AG, Head-Organic Chemicals Business at Celanese Ltd. and President & Director at European Chemical Industry Council. Hariolf Kottmann received a doctorate from Universität Stuttgart.