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Matthias Keller is a seasoned executive with extensive experience in leadership roles across multiple companies. Since January 2015, Matthias has served as Chairman and Owner of KK Invest AG and has held similar positions at mesoneer, Hotel Prätschli AG, contactify AG, and Autexis. In addition, Matthias co-founded CALMGARD in July 2023 and became a member of the Board of Directors at CH Media in August 2023. Previous experience includes serving as CEO and Owner of UMB AG until February 2022 and CEO of ACP Holding Deutschland GmbH from October 2010 to March 2012. Matthias holds an MBA in Finance from the University of Zurich and completed the Executive Education program at Harvard Business School.