Mentor list / Mentor bio
Overview
Ton Büchner currently serves as Chair of Burckhardt Compression AG and Swiss Prime Site AG, leading governance and sustainability agendas across Swiss industrial and real estate platforms. He also holds the role of Board Member at Novartis AG, bringing extensive executive insight to a global healthcare leader.
Ton is perhaps best known for his time as CEO and Chair of the Executive Board at AkzoNobel NV (2012-2017), where he steered the global coatings and speciality chemicals company through a period of strategic refocus and sustainable innovation. Under his leadership, AkzoNobel earned top rankings in the Dow Jones Sustainability Index and FTSE4Good, reflecting his clear emphasis on ESG integration.
Before joining AkzoNobel, Ton served as CEO of Sulzer AG (2007-2011), where he revitalised its pumps and turbomachinery divisions, built its China presence, and fostered cultural and operational transformation. He had advanced through senior roles at Sulzer, including divisions in Switzerland and China, and began his career in oil and gas construction engineering across Asia-Europe.
He brings deep pan-sector expertise in:
• ESG-driven industrial transformation – embedding sustainability into the product lifecycle, governance, and corporate purpose
• Strategic leadership in chemicals & engineering – scaling R&D, refining global market strategies, and delivering operational improvements
• Board governance & capital stewardship – leading executive and supervisory boards across public and private institutions
• Cross-border operations & culture management – cultivating international teams in Europe, China, and beyond
A civil engineer by training (Delft University) with an MBA from IMD, Ton is fluent in six languages and known for blending technical precision with strategic vision. A respected voice in Swiss business and global industrial circles, he delivers rare insight for leaders navigating engineering complexity, sustainability imperatives, and multinational governance.
PDF Profile
download pdf profileMajor Career Roles
AkzoNobel NV
Chair/CEO
Sulzer AF
CEO
Swiss Prime Site AG
Chair
Novartis AG
Independent Director
Burckhardt Compression
Chair
Other Career Highlights
Voith GmbH & Co. KGaA
Board member
RJ Brown and Associates Inc. and Allseas Engineering BV
Project Manager
Partners Group for Ammega
Adviser