Marcus H. Bühler

With over 30 years of professional experience, Marcus Bühler has the honed business acumen and expertise to shape long-term business strategies and bring to a successful conclusion established goals, for both private and institutional clients. After completing his studies in Business Administration, an MBA (Marketing and Finance), and a post-graduate CFA designation, he led the Canadian subsidiary of Banque Pictet & Cie before being assigned to the Bank’s Zurich Branch mid-1995. He was then promoted to Head of Private Banking in 2004. In 2009, he moved to Baumann & Cie, having the responsibility for setting up the Zurich operation. He was appointed as Partner with unlimited liability in January 2012. From 2014, he held the position of CEO of Maerki Baumann & Co. AG. As a graduate of the Swiss Board School, IMP-HSG, in addition to his Board position at Weissenstein & Partner, Marcus serves on several Swiss Executive Boards and is acting CEO of a Swiss Stock Exchange-listed investment company.

+41 44 552 43 45 / mbuehler@weissenstein-partner.ch

Andrea Cristofari

Andrea Cristofari knows the banking business like the back of his hand. Known for his impeccable demeanour and diplomacy, he strikes the right tone when addressing your requirements. A qualified businessman, his work in a career spanning more than 40 years, has ranged from stock exchange trading with various Swiss banks (since 1985) to bond trading at Banque Pictet & Cie in Geneva. In 2000, he transferred to Zürich as a member of the Private Banking team for the same financial institution. In 2009, he was one of the members of the Management team setting up the Zurich branch of Baumann & Cie. In 2015, he moved to Maerki Baumann & Co. AG as a Member of Senior Management and Senior Private Banker before finally establishing Weissenstein & Partner.

+41 44 552 43 44 / acristofari@weissenstein-partner.ch

Rolf Kaufmann

With his wealth of experience Rolf Kaufmann is fully dedicated to his clients. After reading law at the University of St. Gall HSG and being employed at a commercial law firm, he worked at Wegelin & Co from 1995 to 2012. During this time, he graduated from the International Wealth Management Executive MBA Geneva/Carnegie Mellon and held the position as legal consultant and personal assistant to Dr Konrad Hummler, Managing Partner of the bank. Subsequently, he was co-responsible for the implementation of the bank’s foreign subsidiary in FL and named partner in 2007. From 2012 Rolf was acting as Team Head and Deputy Branch Manager of Notenstein La Roche in Zurich. In 2017 Rolf teamed up with 1875 Finance SA, an independent asset management firm, as Managing Director and in 2020 joined Weissenstein & Partner.

Additionally, he currently serves as Member of a Foundation Council as well as Member of the Board and is co-founder of an innovation platform.

+41 44 552 43 46 / rkaufmann@weissenstein-partner.ch

Christoph Offenhäuser

With the foundation of Weissenstein & Partner, Christoph Offenhäuser is focusing his professional skills on the entrepreneurial challenges of running a company without losing sight of the financial markets. Upon completion of a commercial apprenticeship with a Swiss industrial company, he graduated as a Business Economist and Financial Analyst, further reinforcing his passion for trading. He then entered the financial world taking up a position with Swiss Bank Corporation in Basel. He was successfully able to put into practice his knowledge of the financial markets that he developed during his studies, with positions in trading and portfolio management at various banks. From 2009, he was instrumental in setting up the Zurich Branch of Baumann & Cie, before being appointed team leader at a Zurich private bank in 2015. He held this position until setting up Weissenstein & Partner.

+41 44 552 43 41 / coffenhaeuser@weissenstein-partner.ch

Roland Sager

With his unfailing reliability and attention to the highest quality of service, Roland Sager is taking care of private clients at Weissenstein & Partner. After completing a bank apprenticeship, he worked as a client advisor with a regional bank. In 2002, he switched to UBS in Zurich, where he was responsible for supervising external asset managers for eight years. At various private banks in Zurich, he acted most recently as a client advisor and member of the management, and was responsible for looking after wealthy private clients. His professional experience is rounded off with a Swiss Federal Diploma as a Banking Economist and Certification as an International Wealth Manager.

+41 44 552 43 42 / rsager@weissenstein-partner.ch

Christoph Schweizer

Christoph Schweizer is one of the best-known investment and fund specialists in Swiss Institutional Asset Management. From 1987 to 1993 he pursued a career as an asset manager with UBS in Zurich. He further distinguished himself over many years within the Pictet Group, setting up leading and highly successful funds, as well as heading new product development and global marketing. In 2015, he moved to Maerki Baumann & Co. AG. At Weissenstein & Partner, Christoph Schweizer now places his expertise at your disposal.

+41 44 552 43 40 / cschweizer@weissenstein-partner.ch

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