Foundation Board

Co-Founder and Executive Chairman of stars

2014 – present
Co-Founder and Executive Chairman of the stars Foundation Board, Weinfelden, Switzerland

2008 – 2014
Co-Founder and Chairman of the stars Foundation Board, Weinfelden, Switzerland

1994 – 2016
Member of the Board of UBS Wolfsberg and Congress Hotel Seepark AG

1994 – 2014
CEO, UBS Wolfsberg. Emphasis on Business Development, i.e. initiating, supervising, and conducting UBS Briefings, UBS Health Forum, UBS Arts Forum, UBS Study Trips, UBS Think Tanks, Wolfsberg Podium (www.wolfsberg.com)

1981 – 1994
Various responsibilities for UBS Management and Executive Development, Member and Chairman of the Board of UBS Art Collection

Concurrently
Member of the Board of various companies and foundations in Switzerland

Board Member; Vice Chairman, stars Foundation Board, Zurich, Switzerland

May 2023 – present
Chairman, Galenica; Vice Chairman, Barry Callebaut; Member of the Boards of Baloise Holding, Orior, Jacobs Holding

July 2019 – 2023
Vice Chairman, Barry Callebaut; Member of the Boards of Galenica, Baloise Holding, Orior, Jacobs Holding

2013 – 2019
Member of the Board of PwC Europe

2013 – 2016
Member of the Office of the Global Chairman of PwC

2012 – 2019
Chairman of PwC Switzerland

2010 – 2013
Member of the PwC Network Executive Team

2007 – 2008
Senior Partner PwC Continental Europe and Member of the PwC Global Leadership Team

2005 – 2007
Member of the Global Board of PwC

2003 – 2012
CEO PwC Switzerland

1992
Admission to Partnership

1985
Start at PwC

Concurrently
– Member of the ETH Foundation Board
– Vice Chairman of the Board of the Zurich Chamber of Commerce
– Vice Chairman of the Foundation Board of Avenir Suisse
– Chairman of the Finance and Tax Committee of économiesuisse
– Member of the Board of the «Zürcher Volkswirtschatliche Gesellschaft»

Client Service Partner; Former Chairman, PwC Switzerland; Member, stars Foundation Board, Zurich, Switzerland

Stefan has been a Partner at PwC since 2002 and disposes of extensive experience in the field of reporting under Swiss and international accounting principles (IFRS and US GAAP). He has led a number of special projects such as capital market transactions, due diligence projects, restructurings and reorganisations. In his function as Global Engagement Partner, he is in charge of auditing numerous multi-national groups domiciled in Switzerland, mainly in the industrial sector.
Until 2013, he was responsible for the Industrial Markets segment at PwC Switzerland (manufacturing, chemicals, transport&logistics, and professional services).

Between 2013 – 2015 Stefan was the Head of the Assurance Business Unit Trade, Industry, Services for Zurich and Eastern Switzerland with 6 Offices and 200 People.

From 2015 – 2018, he was leading the Assurance Markets for Trade Industry Services and Member of the Assurance Executive Team. Furthermore, he was a member of PwC Switzerland’s Oversight Board and member of the Audit Committee.

From 2018 to 2022 Stefan has served as Chairman of PwC Switzerland’s Board of Directors.

Concurrently
– Assignments in London, Madagascar, Montreal
– Client Service Partner for listed and non-listed multinationals
– Member of the Swiss Oversight Board, PwC Switzerland, since 2011
– Member of the Board of Trustees of Avenir Suisse
– Member of the Board of the Zurich Chamber of Commerce
– Member of the Advisory Board of the Liechtenstein Dialogue for Development (LDD)
– Member of the Board of the «Zürcher Volkswirtschatliche Gesellschaft»
– Member of the Foundation Board of «Festspiele Zürich»
– Member of the IMD Alumni

Attorney-at-law and Partner of Wenger & Vieli AG, Zurich, Switzerland

1986 – present
Wenger & Vieli AG, Attorney-at-law; Partner since 1989

1985
Arnold & Porter, Foreign Associate, Washington DC

1982 – 1984
District Court of Meilen (Zurich)

1979 – 1982
Ringier AG, Legal Department

Concurrently
Member of the Board of various companies and foundations in Switzerland