About us


The CORUM team uses its entire knowledge and experience for the successful onboarding of independent asset managers / bank advisors and their clients.

Stefan Bucher

Chairman of the Board of Directors

Stefan Bucher is the founder and Managing Partner of CORUM Vermögensverwaltung AG. Before setting up the company, he worked as a director for various Swiss private banks, where he gained extensive experience in the asset management and investment business. He has made himself a name as an asset management specialist and adept financial advisor.

Philippe Amstutz

Member of the Board of Directors

Philippe Amstutz has successfully represented the interests of his national and international clients as a commercial lawyer for almost 15 years, after having previously prepared for this activity with a court career. He focuses on financial market law, commercial and business law, as well as trademark and competition law. Among others, he has further educated himself in the crypto sector and thanks to his Masters in Business Administration he has a deep understanding of the operational requirements of a dynamic and growing organization like CORUM Wealth Management Platform AG.

Stefan Biland


Stefan Biland is a financial specialist with extensive experience in advising discerning private clients. He worked for various Swiss banks as senior relationship manager / executive director with focus on Eastern Europe and has a broad international network of contacts. Stefan Biland holds a doctoral degree in history (Dr. phil.) and a Swiss federal diploma as expert in finance and investments. He speaks German, English, French and Russian.

Christian Alois Bucher

Deputy CEO

Christian Alois Bucher is an experienced finance specialist and worked his way up the banking business from the bottom. As a client and investment advisor, he worked for more than 20 years for various Swiss banks. Christian Alois Bucher maintains an international network of contacts. Aside from speaking German, English and French, he is also fluent in Russian.

Peter Klötzel

Asset Manager

For over 25 years Peter Klötzel was co-owner and chairman of the board of a Swiss asset management company. He has more than 30 years of experience in the investment fund sector and asset management with investment funds.


General Counsel & Compliance Officer

After studying law Boris Meyer gathered essential experiences in the Legal & Compliance field (GwG, FATCA, VSB, FIDLEG etc.), especially at Credit Suisse and an aspiring private equity company in Zurich. In addition to the usual school languages he also speaks Spanish and Croatian.

Martin Oberholzer


Martin Oberholzer has over 30 years of experience in the finance and banking world. His career started at Credit Suisse/CSFB in the department for equities and bonds. He held various positions as syndicate manager in Zurich, London, New York and Frankfurt. Martin Oberholzer’s last functions were building up the Swiss branch of Templeton Ltd, Senior Relationship Manager at Man Investments and Founder of Asset Finance Partners in England. Since 2017 he has been working as an independent advisor for financial transactions and investment funds.

Thomas Tietz


For more than 20 years Thomas Tietz has worked in the IT and Services field all around banks and asset managers and their needs.
Since 1. April 2018 he’s CEO of Corum Vermögensverwaltung AG. In those markets he has built up and led companies successfully. His last positions were Executive Director at VWD Group Switzerland AG as well as Member of the Board and Executive Director at Avaloq Sourcing (Europe) AG and Avaloq Deutschland GmbH.


Xenia Wehrli

Assistant to the CEO

Xenia Wehrli is Assistant to the CEO and has over ten years of experience in the administration field as well as in maintenance of portfolio management systems.
Since 1. July 2019 she’s joined as a member of our CORUM team and, with her friendly nature, is taking care of the needs of our clients and business partners.

Francesco Zeziola


The language savvy and investment enthusiastic asset manager, Francesco Zeziola has many years of experience as a financial advisor. He worked for renowned financial institutions in Germany, Italy and Switzerland. His in-depth knowledge, his negotioation skills and his professionalism characterize him.


CORUM Wealth Management Platform AG, located at Mainaustrasse 21 in CH-8008 Zurich, was founded in 2019 as a subsidiary of CORUM Holding AG.

CORUM Holding AG, based in CH-6340 Baar, was founded in 2002 by Stefan Bucher.

As the parent company, CORUM Holding AG directly or indirectly holds 100% of the shares in the companies belonging to the CORUM Group with a total of 33 employees in Switzerland and Germany.

CORUM Wealth Management Platform AG is under the supervision of SRO PolyReg, Zurich.