Professional background

Dr. Hariolf Kottmann was elected as member of Sulzer’s Board of Directors in 2023. Hariolf Kottmann has a broad experience as CEO and Chairman. He was appointed CEO of Clariant International Ltd in 2008 and has led the company through highly demanding restructuring phases. From 2019 until 2021 he acted as Executive President and later Chairman of the Board of Directors of Clariant. From 2001 to 2008 he acted as a member of the Executive Committee of SGL Carbon AG, (Wiesbaden, Germany) with responsibilities for Asia, Eastern Europe, Technology & Innovation, the Graphite Specialties as well as the Carbon Fibers and Composites Businesses. From 1997 to 2001 he ran various businesses as a member of the Executive Committee of Celanese Chemicals based in New Jersey, USA and Singapore. After earning his Ph.D. in Chemistry at the University of Stuttgart he joined Hoechst AG, (Frankfurt, Germany) in 1985 and had several positions of increasing seniority in the company including roles in R&D, technology & production, marketing, finance and corporate functions.

Binding interests

• Member of the Supervisory Board for Plansee Holding Educational background

Educational background

• Ph.D. in Chemistry, University of Stuttgart, Germany