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14 Corporate GovernanceAdrian T. Keller(1951, Swiss) Adrian T. Keller has been a member of the Board of Directors of DKSH since 2002 and is currently a member of the Nomination and Compensation Committee and the Mergers and Acquisitions Committee. He was Chairman of DKSH from 2004 until 2017 and again from 2019 to 2020. Since 2021, he has been Vice Chairman of Diethelm Keller Group Ltd., Zurich and since 2000, Vice Chairman of Diethelm Keller Holding Ltd., the anchor shareholder of DKSH. Since 1991, he has been a Board member (and from 1995 on Vice Chairman) of Eduard Keller Holding, which in 2000 became Diethelm Keller Holding Ltd., Zurich. From 1990 to 1995, he was Partner at Global Reach, New York, a private equity and investment firm. Between 1983 and 1990, he was Partner at Hoguet, Keller, Wittmann & Co., New York, a NASD-registered investment advisor and securities brokerage firm. From 1976 until 1983, he worked in international equity sales at Brown Brothers Harriman & Co., New York. In addition to holding various family business-related Board seats, Adrian Keller serves as Vice-Chairman on the Board of Directors of Bergos AG, a Swiss private bank, and is Chairman of Baur & Cie, a family real estate company. He is a Trustee of the Asia Society Global and Co-Chair of the Global Centers Committee, and Chairman of the Asia Society Switzerland Foundation. Beyond that, he serves on the Board of various not-profit organizations. He studied economics at the University of St. Gallen in Switzerland and graduated with an MBA (lic. oec. HSG) cum laude in 1976.Andreas W. Keller (1945, Swiss) Andreas W. Keller has been a member of the Board of Directors of DKSH since 2002. He has been Chairman of the Board of Directors of Diethelm Keller Group Ltd., Zurich, since 2021 and Chairman of the Board of Directors and the Executive Committee of Diethelm Keller Holding Ltd., Zurich, the anchor shareholder of DKSH, since 2000. Prior to the merger of Diethelm & Co. and Edward Keller Ltd. in 2000, he presided over the Boards of Directors of both these companies. From 1985 to 1993, he was a member of the Management Board of Eduard Keller Holding. Before returning to Switzerland in 1985, he served as CEO and Chairman of Diethelm Keller (USA) Ltd. in New York, after having worked at Diethelm & Co., Thailand, from 1976 to 1980. Andreas W. Keller studied law at the University of Zurich (lic. iur.) in Switzerland and graduated from the Program for Management Development (PMD) at Harvard Business School, USA.