Andreas W. Keller is one of the Shareholders of Bergos AG.
In 2018, together with a group of accomplished entrepreneurs, he acquired the majority shares of the then Berenberg Bank (Switzerland) AG and established first Bergos Berenberg AG, and then in 2021 the fully independent Swiss Private Bank Bergos.
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 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.