Simona Sidler serves as the Executive Assistant to the Managing Director at CALIDA AG since May 2025, following a prior role as Executive Assistant to the CEO at Helion Energy AG from September 2023 to April 2025. Simona's experience includes a position as Executive Assistant to the CEO at Emmi Gruppe in June to August 2023, and an extensive tenure at Güdel Group from October 2019 to May 2023 as Office Managerin for Board & Group Management. Prior to that, Simona worked at CALIDA AG in various assistant roles between 2010 and 2019 and started a career at Kuoni Reisen AG as a Reiseberaterin and Sales Agent. Simona holds a Master's degree in Digital Office Management and multiple certifications from Kalaidos University of Applied Sciences Switzerland, completed between 2020 and 2023.
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