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Together for your success

The Bellevue adbodmer team comprises seven members with long-standing experience in successfully managing and executing M&A and private equity transactions.
  • CEO/Managing Partner

    CEO/Managing Partner

    Jan Kollros

    Jan Kollros started working at Bellevue adbodmer AG from 2005, where he became a partner in 2009. He has been CEO of Bellevue Private Market since 2019. He holds a degree in mechanical engineering and management and production sciences from the Swiss Federal Institute of Technology (ETH) Zurich.

  • Founder & member of the Board of Directors

    Founder & member of the Board of Directors

    Dr. Adriana Ospel-Bodmer

    Founder and since 2001 head of Bellevue adbodmer AG, represents various investments on the board of directors for investors. Previously, she gained relevant professional experience in various financial institutions in Zurich and London. 

  • Managing Director

    Managing Director

    Benjamin Böhner

    Benjamin Böhner joined Bellevue Asset Management in 2021 and is responsible for the business development of Bellevue Private Markets. Prior to that, he worked for Credit Suisse for more than 10 years in various management positions in investment advisory and product management. Böhner holds a Master's degree in Business Administration & Finance from the University of Hagen and is a CFA Charterholder.

  • Investment Manager

    Investment Manager

    Alexandra Egg

    Since 2022 in the investment team of Bellevue adbodmer AG. Prior to that she worked in asset management and investment banking. Studies at the ETH Zurich and the University of Zurich. CFA Charterholder.

  • Investment DIRECTOR

    Investment DIRECTOR

    Dominik Ehrsam

    Since 2020 on the Investment Team at Bellevue adbodmer AG. Prior to that he was part of the investment team of a global manager of private market investments. Studies at the University of St. Gallen. CFA and CAIA charterholder.

  • INVESTMENT Director

    INVESTMENT Director

    Andreas Kaltseis

    Since 2023 on the Investment Team at Bellevue adbodmer AG. He has over 15 years of professional experience, among others in the private equity investment team at a global private markets investment manager and in the technology, media & telecom (TMT) investment banking team at an international bank. Bachelor in Business Informatics at the FHNW and MBA at the University of Chicago Booth School of Business.

  • Associate 

    Associate 

    Reto Menzi

    Since 2020 on the Investment Team at Bellevue adbodmer AG. Prior to that he was an intern at various consulting firms in the Transaction Advisory division. Studies at the Stockholm School of Economis and University of St. Gallen.

  • Managing Director

    Managing Director

    Dr. Sascha Stahl

    Managing Director of Bellevue adbodmer AG since 2024. Previously he was a partner at EY, where he led the Family Business and the «EY Entrepreneur Of The Year» programme. Studied at the University of Zurich and Vienna.

  • Business Development & Investor Relations

    Business Development & Investor Relations

    Florian Wegmann  

    Member of the Bellevue adbodmer AG team since 2022. Previously, he held various positions in asset management and investment banking. Among other things, he ran his own advisory and fundraising boutique. Studied at the ETH Zurich