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BB Biotech
Head Investment Management Team
Dr. Christian Koch
Head Investment Management Team
Dr. Christian Koch
Dr Christian Koch has been a portfolio manager at Bellevue Asset Management since 2014. From 2013-2014 he was a sell-side Pharma & Biotech equity analyst at Bank am Bellevue in Küsnacht and from 2010-2013 a Research Associate at the Institute of Pharmaceutical Sciences at ETH Zurich. He holds a PhD in Computer-Assisted Drug Design from ETH Zurich and studied Bioinformatics from Goethe University Frankfurt.
Deputy Head Investment Management Team
Dr. Maurizio Bernasconi
Deputy Head Investment Management Team
Dr. Maurizio Bernasconi
Dr. Maurizio Bernasconi joined Bellevue Asset Management as analyst and portfolio manager in 2017. Prior he was a sell-side equity analyst in the Pharma & Biotech department of Bank am Bellevue. Maurizio Bernansconi has a master's degree in chemistry at Swiss Federal Institute of Technology (ETH), Zurich, and has PhD in organic chemistry at the University of Basel.
Investment Management Team
Dr. Anna Guinot Aguado
Investment Management Team
Dr. Anna Guinot Aguado
Dr. Anna Guinot Aguado joined Bellevue Asset Management in 2024. She previously worked at Nextech Invest, a European Biotech VC focused on oncology, where she gained investment experience in both private and public markets. Before her time at Nextech, Anna completed a PostDoc at the University Children's Hospital Zurich (Kispi) in the Oncology division and at the institute of physiology at the University of Zurich. She holds a PhD in Stem Cell & Cancer Biology from the University of Cambridge, after studying Biochemistry in Valencia and Molecular & Cell Biology in Paris.
Investment Management Team
Dr. Leonidas Georgiou
Investment Management Team
Dr. Leonidas Georgiou
Dr. Leonidas Georgiou joined Bellevue Asset Management as a portfolio manager in 2022. He previously worked as a biotechnology VC analyst at Hadean Ventures in Norway, covering European startups in pharma, medical device, diagnostic and digital health verticals. Leonidas studied neuroscience at the University of Glasgow and University of Toronto. He holds an interdisciplinary PhD in neuroscience from OIST in Japan where he studied neuron – glia interactions in behaving mice.
Data Scientist
Dr. Can Buldun-Gora
Data Scientist
Dr. Can Buldun-Gora
Dr. Can Buldun-Gora joined Bellevue Asset Management as Data Scientist in 2022. He is a member of the investment management team of BB Biotech. From 2018 to 2022 he was a Computational Scientist at Roche Pharma Research & Early Development, focusing on data science and software solutions for next-generation antibody engineering. Can Buldun-Gora holds a PhD in Biochemistry from the University of Oxford and a BSc in Biochemistry & Cell Biology from Jacobs University Bremen.
Data Scientist
Dr. Olivia Woolley
Data Scientist
Dr. Olivia Woolley
Dr. Olivia Woolley joined Bellevue Asset Management as data scientist in 2022. She is a member of the investment management team of BB Biotech. Previously she was associate director data science at Novartis, working in Technical Research and Development. Before entering industry she was a postdoctoral researcher at the Swiss Federal Institute of Technology (ETH), Zurich, in the area of digital epidemiology and complex networks. Olivia holds a PhD and MSc in Applied Mathematics from Northwestern University and a BSc in Mathematical and Computational Science from Stanford University.
Data Scientist
Dr. Samuel Croset
Data Scientist
Dr. Samuel Croset
Dr. Samuel Croset joined Bellevue Asset Management as Portfolio Manager and Digital Transformation Lead in 2020. He previously worked for Roivant Sciences from 2018-2020 as data scientist supporting investment decisions in drug projects as well as leading a team focused on the analysis of real-world data. Prior to that, he started his professional career at Roche as data scientist in the research department (2014-2018). Samuel holds a Ph.D. in Bioinformatics from the University of Cambridge, a MS in Bioinformatics and a MS in Biochemistry from the University of Geneva.
Medtech
Portfolio Manager
Marcel Fritsch
Portfolio Manager
Marcel Fritsch
Marcel Fritsch has been with Bellevue Asset Management since 2008. He is head of healthcare funds & mandates and co-lead portfolio manager of the Bellevue Medtech & Services, Bellevue Digital Health and Bellevue AI Health funds. Prior to that, he worked as a consultant at Deloitte Touche Tohmatsu for over 3 years. His tasks in this function included analysis of business strategies, assessment of organizational structures and the valuation of companies in the run-up to corporate transactions. Marcel Fritsch holds a degree in business administration from the University of St. Gallen (HSG).
Portfolio Manager
Stefan Blum
Portfolio Manager
Stefan Blum
Stefan Blum joined Bellevue Asset Management in 2008 and is co-lead portfolio manager of the funds Bellevue Medtech & Services, Bellevue Digital Health and Bellevue AI Health. Prior to joining Bellevue Asset Management, he spent 4 years as head of investor relations at Sonova. As a financial analyst at Bank Sarasin, he covered medical technology and high tech stocks. After that he served as CFO of Obtree Technologies Inc. Stefan Blum obtained a degree in business administration from the University of St. Gallen and is CEFA charterholder.
Analyst
Catharina Claes
Analyst
Catharina Claes
Catharina Claes joined Bellevue Asset Management in 2023 as a Healthcare equity analyst. Previously, she spent almost four years covering German small and mid cap stocks, most recently at Berenberg in London for three years. Catharina Claes holds an MSc in Financial Economics from City University of London and a BSc in Economics from the University of Cologne.
Analyst
Dr. Annie Zeng
Analyst
Dr. Annie Zeng
Dr Annie Zeng joined Bellevue Asset Management in 2023 as a Healthcare equity analyst. Previously, she spent 2 years as pharma analyst at Bernstein in London covering EU and HK stocks. She also spent 1.5 years at Canaccord-Results as Healthcare investment banking analyst. Annie Zeng holds a PhD degree in Pharmacology from the University of Cambridge.
Thematic
Portfolio Manager
Stefan Blum
Portfolio Manager
Stefan Blum
Stefan Blum joined Bellevue Asset Management in 2008 and is co-lead portfolio manager of the funds Bellevue Medtech & Services, Bellevue Digital Health and Bellevue AI Health. Prior to joining Bellevue Asset Management, he spent 4 years as head of investor relations at Sonova. As a financial analyst at Bank Sarasin, he covered medical technology and high tech stocks. After that he served as CFO of Obtree Technologies Inc. Stefan Blum obtained a degree in business administration from the University of St. Gallen and is CEFA charterholder.
Analyst
Catharina Claes
Analyst
Catharina Claes
Catharina Claes joined Bellevue Asset Management in 2023 as a Healthcare equity analyst. Previously, she spent almost four years covering German small and mid cap stocks, most recently at Berenberg in London for three years. Catharina Claes holds an MSc in Financial Economics from City University of London and a BSc in Economics from the University of Cologne.
Portfolio Manager
Marcel Fritsch
Portfolio Manager
Marcel Fritsch
Marcel Fritsch has been with Bellevue Asset Management since 2008. He is head of healthcare funds & mandates and co-lead portfolio manager of the Bellevue Medtech & Services, Bellevue Digital Health and Bellevue AI Health funds. Prior to that, he worked as a consultant at Deloitte Touche Tohmatsu for over 3 years. His tasks in this function included analysis of business strategies, assessment of organizational structures and the valuation of companies in the run-up to corporate transactions. Marcel Fritsch holds a degree in business administration from the University of St. Gallen (HSG).
Portfolio Manager
Dr. Lukas Leu
Portfolio Manager
Dr. Lukas Leu
Dr Lukas Leu has been at Bellevue Asset Management since 2021. He is lead portfolio manager of the Bellevue Obesity Solutions fund and portfolio manager of the Bellevue Healthcare Diversified fund. He holds a PhD in biochemistry from the Swiss Federal Institute of Technology in Zurich. He previously worked as a research assistant at his alma mater and as an equity research analyst in the healthcare sector at Julius Baer.
Portfolio Manager
Dr. Terence McManus
Portfolio Manager
Dr. Terence McManus
Dr Terence McManus joined Bellevue Asset Management in 2022 and is lead portfolio manager of the funds Bellevue Diversified Healthcare, Bellevue Healthcare Strategy/Sustainable and portfolio manager of the Bellevue Obesity Solutions fund. Prior to this, he has 12 years of experience within healthcare-specific investing and analysis at Jefferies Investment Bank, Credit Suisse, Julius Baer and most recently at J. Safra Sarasin where he managed a sustainable health fund. Terence started his career as a scientist focused on drug discovery. He holds a PhD in Neuroscience from the University of Southampton, UK.
Analyst
Dr. Annie Zeng
Analyst
Dr. Annie Zeng
Dr Annie Zeng joined Bellevue Asset Management in 2023 as a Healthcare equity analyst. Previously, she spent 2 years as pharma analyst at Bernstein in London covering EU and HK stocks. She also spent 1.5 years at Canaccord-Results as Healthcare investment banking analyst. Annie Zeng holds a PhD degree in Pharmacology from the University of Cambridge.
Healthcare Global
Portfolio Manager
Brett Darke
Portfolio Manager
Brett Darke
Brett Darke has 21 years experience including 11 years covering healthcare and the wider lifesciences sector on the buy-side at TT International, on both long-only and long/short funds. Brett previously worked for five years in corporate finance at Merrill Lynch and Bear Stearns. He holds a Masters degree in Medicine and Management studies from Cambridge University and is a CFA charterholder.
Portfolio Manager
Dr. Lukas Leu
Portfolio Manager
Dr. Lukas Leu
Dr Lukas Leu has been at Bellevue Asset Management since 2021. He is lead portfolio manager of the Bellevue Obesity Solutions fund and portfolio manager of the Bellevue Healthcare Diversified fund. He holds a PhD in biochemistry from the Swiss Federal Institute of Technology in Zurich. He previously worked as a research assistant at his alma mater and as an equity research analyst in the healthcare sector at Julius Baer.
Portfolio Manager
Paul Major
Portfolio Manager
Paul Major
Paul Major has been serving as Portfolio Manager at Bellevue Asset Management (UK) Ltd since 2016. His previous roles include Research Partner at Redburn and Analyst at UBS Warburg. He holds a Master's degree in Biochemistry from the University of Bath, UK.
Portfolio Manager
Dr. Terence McManus
Portfolio Manager
Dr. Terence McManus
Dr Terence McManus joined Bellevue Asset Management in 2022 and is lead portfolio manager of the funds Bellevue Diversified Healthcare, Bellevue Healthcare Strategy/Sustainable and portfolio manager of the Bellevue Obesity Solutions fund. Prior to this, he has 12 years of experience within healthcare-specific investing and analysis at Jefferies Investment Bank, Credit Suisse, Julius Baer and most recently at J. Safra Sarasin where he managed a sustainable health fund. Terence started his career as a scientist focused on drug discovery. He holds a PhD in Neuroscience from the University of Southampton, UK.
Head Investments
Markus Peter
Head Investments
Markus Peter
Markus Peter was appointed CEO of Bellevue Asset Management in June 2025. He has been Head Investments at Bellevue Asset Management since 2009 and a member of the Group Executive Board since 2024. He previously held several management positions during his 10 years with Julius Baer Group, including head product management and development, investment advisory as well as a product specialist for absolute return products. Prior to joining Julius Baer he was employed by IBM, treasury and project finance, as well as by Swiss Bank Corporation, equity and equity derivative trading. Markus Peter holds a master in business economics from the University of St. Gallen (HSG).
Healthcare Regional
Portfolio Manager
Marcel Fritsch
Portfolio Manager
Marcel Fritsch
Marcel Fritsch has been with Bellevue Asset Management since 2008. He is head of healthcare funds & mandates and co-lead portfolio manager of the Bellevue Medtech & Services, Bellevue Digital Health and Bellevue AI Health funds. Prior to that, he worked as a consultant at Deloitte Touche Tohmatsu for over 3 years. His tasks in this function included analysis of business strategies, assessment of organizational structures and the valuation of companies in the run-up to corporate transactions. Marcel Fritsch holds a degree in business administration from the University of St. Gallen (HSG).
Analyst
Dr. Annie Zeng
Analyst
Dr. Annie Zeng
Dr Annie Zeng joined Bellevue Asset Management in 2023 as a Healthcare equity analyst. Previously, she spent 2 years as pharma analyst at Bernstein in London covering EU and HK stocks. She also spent 1.5 years at Canaccord-Results as Healthcare investment banking analyst. Annie Zeng holds a PhD degree in Pharmacology from the University of Cambridge.
Listed Small & Mid Sized Entrepreneur Investments
Portfolio Manager
Birgitte Olsen
Portfolio Manager
Birgitte Olsen
Birgitte Olsen, CFA, Head Entrepreneur Investments, joined Bellevue Asset Management in 2008. Prior to that, she was Deputy Head of Portfolio Management Equities Europe at Generali Investments in Cologne for more than nine years. She worked as a Fund Manager (DE and Scandinavia) at Vontobel Asset Management in Zurich in 1997 and 1998. Birgitte Olsen started her career in the financial industry in 1994 as a sell-side analyst at Bank am Bellevue covering the insurance and pharmaceutical sectors. She holds a degree in Finance and Accounting from the University of St. Gallen.
Portfolio Manager
Laurent Picard
Portfolio Manager
Laurent Picard
Laurent Picard joined Bellevue Asset Management in 2018. Prior to that, he was an Financial consultant for start-ups in the internet/tech sector. From 2009 to 2016 he was a senior equity research analyst for media at Société Générale, having joined from UBS Warburg, where he was an equity analyst for IT Services and Software and a strategist specialized on the French markets. Laurent Picard graduated from Paris X University and ESSEC business school and holds a Master of Financial Techniques.
Head of Product
Loreno Ferrari
Head of Product
Loreno Ferrari
Loreno Ferrari joined Bellevue Asset Management in 2018 and has been Head of Product since May 2025. He previously held the position of Senior Product Specialist. Prior to that, he spent 3 years as an Investment Specialist at UBS Asset Management and 8 years at Zürcher Kantonalbank, most recently as an Investment Advisor. Loreno holds a Bachelor of Science (BSc) in Business Administration (UAS) Zurich with a Specialization in Banking and Finance. He is a Certified International Investment Analyst (CIIA) and holds the Certificate in ESG Investing from CFA Institute.
Private Equity Strategies
Managing Director
Benjamin Böhner
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
Alexandra Egg
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
Dominik Ehrsam
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
Andreas Kaltseis
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.
Managing Partner
Jan Kollros
Managing Partner
Jan Kollros
Jan Kollros has been a member of the Bellevue Group Executive Board since 2019. He started working at 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.
Associate
Reto Menzi
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.
Investor Relations
Florian Wegmann
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.
Bonds
Portfolio Manager
Dr. Malek Bou-Diab
Portfolio Manager
Dr. Malek Bou-Diab
Malek Bou-Diab joined the Bellevue Global Macro team as Portfolio Manager in August 2024. He joined Bellevue Asset Management in 2009 as Senior Portfolio Manager Frontier Markets and Quant Analyst. Prior to that, he worked as Portfolio Manager at Julius Baer in the Emerging Markets team. From 2003 to 2007 he worked as a quantitative risk analyst at Deutsche Bank AG in London. He completed his PhD thesis in theoretical physics at the Swiss Federal Institute of Technology Zurich (ETH) between 1999 and 2003.
Portfolio Manager
Alexandrine Jaecklin
Portfolio Manager
Alexandrine Jaecklin
Alexandrine Jaecklin joined Bellevue Asset Management in June 2015 as portfolio manager in charge of the bond selection. Before, Alexandrine worked for 15 years at UBS. She joined UBS as a credit analyst for Emerging Markets on the sell side in New York and London, and then moved to the Wealth Management in Zürich to cover European Financial credits. She spent the last 6 years of her time at UBS advising directly institutional private clients with a focus on bond markets on managing their portfolio. Prior to UBS, she was an research analyst at Laidlaw Global Securities (New York), Smith Barney (New York), and the United Overseas Bank (BNP subsidiary - Geneva) in the fields of Emerging Markets and fixed income. She holds a Master in International Relations, Economics section, from the Graduate Institute of International Studies (HEI) in Geneva.
Head Investments
Markus Peter
Head Investments
Markus Peter
Markus Peter was appointed CEO of Bellevue Asset Management in June 2025. He has been Head Investments at Bellevue Asset Management since 2009 and a member of the Group Executive Board since 2024. He previously held several management positions during his 10 years with Julius Baer Group, including head product management and development, investment advisory as well as a product specialist for absolute return products. Prior to joining Julius Baer he was employed by IBM, treasury and project finance, as well as by Swiss Bank Corporation, equity and equity derivative trading. Markus Peter holds a master in business economics from the University of St. Gallen (HSG).
Portfolio Manager
Stefan Köhling
Portfolio Manager
Stefan Köhling
Stefan Köhling has been a portfolio manager and strategist at Bellevue Asset Management (Deutschland) GmbH since the beginning of 2023. Previously, he was an investment strategist in Wealth Management at Deutsche Bank. He started his career at the private bank Hauck und Aufhäuser as a multi-asset portfolio manager. Stefan holds a Bachelor's and a Master's degree in Economics and is a CFA charterholder.
