Board of Directors Details

Ton Büchner

Chairman of the Board of Directors

1965, Altendorf

«With our sustainable strategy, we are committed to the interests of shareholders, the needs of customers and the good of society.»


Chairman of the Board of Directors, independent member since 2020


Member of the Investment Committee
Member of the Sustainability Board


Master of Science in Civil Engineering, Delft University of Technology, Netherlands;
Master of Business Administration, IMD Lausanne, Switzerland

Professional activity

From 1989 to 1993, Ton Büchner worked as an offshore construction project manager in Europe and Asia. From 1994 to 2017, he worked for Sulzer AG, listed on the stock exchange, and was their CEO from 2007 to 2011. Between 2012 and 2017, he was CEO and Chairman of the Management Board at AkzoNobel NV, a Dutch company listed on the stock exchange.

Mandates outside Swiss Prime Site

Stock exchange-listed companies: Member of the Board of Directors of Novartis AG, Basel, Chairman of the Board of Directors of Burckhardt Compression AG, Winterthur

Unlisted companies: Consultant to Ammega

Key skills

Leadership, Strategy, ESG, Sales & Marketing, Operations, M&A, Risk Management, R&D, Digitalisation

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