Swiss, 1963
 

• Chairman of the Board of Directors
   

Marco Gadola has been a member of the Board of Directors of DKSH since January 1, 2020, and Chairman of the Board of Directors since May 2020.

He was CEO of the Straumann Group from 2013 until the end of 2019. Previously, he was the Regional CEO of Asia Pacific at Panalpina from 2012 to 2013 and CFO of Panalpina from 2008 to 2012. From 2006 to 2008, he was CFO of Straumann. Before joining Straumann for the first time in 2006, he was CFO of Hero from 2001 to 2006 and before that, worked for Hilti, Sandoz International Ltd., and Swiss Bank Corporation. 

Marco Gadola is Chairman of the Board of Directors of Medartis Holding AG, Vice Chairman of the Board of Directors of Straumann Holding AG and member of the Board of Directors of AVAG Anlage und Verwaltungs AG and Bühler Holding AG. He is also a member of the Standortförderungskommission Baselland and Obwalden.

Marco Gadola holds a degree in Business Administration and Economics from Basel University, Switzerland, and has completed various programs at the London School of Economics, UK, INSEAD, France, and IMD, Switzerland.

Swiss, 1951
 

• Nomination and Compensation Committee (Member)
• Mergers and Acquisitions Committee (Member)
   

Adrian T. Keller has been a member of the Board of Directors of DKSH since 2002 and is currently a member of the Nomination and Compensation Committee and the Mergers and Acquisitions Committee.

He was Chairman of DKSH from 2004 until 2017 and again from 2019 to 2020. Since 2021, he has been Vice Chairman of Diethelm Keller Group Ltd., Zurich and since 2000, Vice Chairman of the predecessor company Diethelm Keller Holding Ltd., the anchor shareholder of DKSH. Since 1991, he has been a Board member (and from 1995 on Vice Chairman) of Eduard Keller Holding, which in 2000 became Diethelm Keller Holding Ltd., Zurich.

From 1990 to 1995, he was Partner at Global Reach, New York, a private investment firm. Between 1983 and 1990, he was Partner at Hoguet, Keller, Wittmann & Co., New York, a NASD-registered investment advisor and securities brokerage firm. From 1976 until 1983, he worked in international equity sales at Brown Brothers Harriman & Co., New York. 

In addition to holding various family business-related Board seats, Adrian Keller serves as Vice-Chairman on the Board of Directors of Bergos AG, a Swiss private bank, and is Chairman of Baur & Cie, a family real estate company. He is a Trustee of the Asia Society Global and Co-Chair of the Global Centers Committee, and Chairman of Asia Society Switzerland. Beyond that, he serves on the Board of various not for profit organizations.

He studied economics at the University of St. Gallen in Switzerland and graduated with an MBA (lic. oec. HSG) cum laude in 1976.

Swiss, 1945

Andreas W. Keller has been a member of the Board of Directors of DKSH since 2002. He has been Chairman of the Board of Directors of Diethelm Keller Group Ltd., Zurich, since 2021 and Chairman of the Board of Directors and the Executive Committee of Diethelm Keller Holding Ltd., Zurich, the anchor shareholder of DKSH, since 2000.

Prior to the merger of Diethelm & Co. and Edward Keller Ltd. in 2000, he presided over the Boards of Directors of both these companies. From 1985 to 1993, he was a member of the Management Board of Eduard Keller Holding. Before returning to Switzerland in 1985, he served as CEO and Chairman of Diethelm Keller (USA) Ltd. in New York, after having worked at Diethelm & Co., Thailand, from 1976 to 1980.

Andreas W. Keller studied law at the University of Zurich (lic. iur.) in Switzerland and graduated from the Program for Management Development (PMD) at Harvard Business School, USA.

German, 1967
 

• Audit Committee (Chair)
   

Prof. Dr. Annette G. Köhler has been a member of the Board of Directors of DKSH since March 2018 and currently chairs the Audit Committee.
 

She has been holding a chair in accounting and auditing at the University of Duisburg-Essen since 2005. Previously, she taught accounting and auditing in several universities and has also worked as a research assistant and management consultant. 
 

Prof Dr. Annette G. Köhler is a member of the Supervisory Board, the Presidial Committee and Chair of the Audit Committee of Gerresheimer AG (since June 2022), a member of the Supervisory Board and Chair of the Finance and Audit Committee of DMG Mori AG (since May 2017), and a member of the Supervisory Board, Chair of the Audit and Cybersecurity Committee, and a member of the Nomination Committee of GEA Group AG (since October 2020). From 2012 to 2017, she was a member of the International Auditing and Assurance Standards Board (IAASB), New York.

Prof. Dr. Annette G. Köhler holds a Master of Arts in Economics from Wayne State University in Detroit, USA, and a Diploma in Economics and Business Administration from University of Augsburg, Germany. She also holds a PhD from the University of Cologne and a Habilitation from the University of Ulm, Germany.

Swiss/Hong Kong, 1967
 

• Nomination and Compensation Committee (Chair)
   

Eunice Zehnder-Lai has been a member of the Board of Directors of DKSH since March 2018 and currently chairs the Nomination and Compensation Committee.

Until November 2018, Eunice Zehnder-Lai was CEO of IPM AG (Institut für Persönlichkeitsorientiertes Management). Previously, she was in the financial services industry for 20 years with LGT Capital Partners, Goldman Sachs, and Merrill Lynch in New York, London, Hong Kong, and Switzerland. She also worked for Procter & Gamble in marketing and brand management as well as for Booz & Co. in strategy consulting.

Eunice Zehnder-Lai has been a member of the Board of Directors at Geberit Group (since 2017) and is currently Vice-Chairperson (since 2021). She is also a member of the Board of Directors of Julius Baer Group (since 2019). She is a Trustee of Asia Society Switzerland (since 2016) and President of the Board of Trustees of the Friends of Asia Society Switzerland Arts and Culture Foundation (since 2017). She is a Trustee of Insights for Education (since 2021), the Orpheum Foundation for the Advancement of Young Soloists (since 2022) and a Board Member of the American Swiss Foundation (since 2024).

Eunice Zehnder-Lai holds a Master of Business Administration from Harvard Business School and a Bachelor of Arts degree from Harvard University, both in the USA.

Swiss, 1974
 

• Nomination and Compensation Committee (Member)
• Mergers and Acquisitions Committee (Member)
   

Gabriel Baertschi has been a member of the Board of Directors of DKSH since March 2023 and is currently a member of the Nomination and Compensation Committee and the Mergers and Acquisitions Committee.

He is CEO and Chairman of the Corporate Executive Board of Grünenthal GmbH. Prior to taking the position at Grünenthal, he worked for the AstraZeneca Group as Company President of Japan (2013 to 2016), as Company President of Germany (2010 to 2012), as Company President of Thailand (2009 to 2010), and as General Manager of Vietnam and Indochina (2006 to 2009). Prior to his appointment to the Executive Committee, Gabriel Baertschi held various strategic roles in international sales and marketing with the AstraZeneca Group.

Gabriel Baertschi is a member of the Board of Directors of MedXCell SA, a Swiss-French biotech company focused on cell therapy, and RealizedCare, a digital care start-up company based in the USA.

Gabriel Baertschi holds a Master of Science in Biology from the University of Neuchâtel, Switzerland. He also successfully completed the program “Leading Enterprise Transformation” at Harvard Business School, USA.

Swiss/British, 1966
 

• Mergers and Acquisitions Committee (Chair)
• Audit Committee (Member)
   

Jack Clemons has been a member of the Board of Directors of DKSH since 2019 and is currently a member of the Audit Committee, and chairs the Mergers and Acquisitions Committee.

From 2006 until 2016, Jack Clemons led the Bata Group, a global manufacturer, wholesaler, and retailer of footwear and accessories, as Group CEO and, previously, as Group CFO. Bata has substantial supply chain and sales operations throughout Asia. Before joining Bata, he founded an international consulting business operating in Europe and the US from 2004 to 2006, and was CFO and COO of the Firstream Group, developing digital and physical sales channels for brands throughout Europe, from 2000 to 2004. Prior to that, he was a partner at Deloitte in France and the USA from 1995 to 2000 and led Deloitte’s European Technology practice. He worked as an Audit Supervisor at Touche Ross from 1989 until 1993.

Jack Clemons has been a non-executive member of the Board of Directors, and member of the Audit Committee of Banque Cantonale Vaudoise (BCV) since 2016, and an advisor to the Board of Directors of Unit8 SA. Furthermore, he is a member of the International Board of Trustees and Chairman of the Audit & Risk Committee of the World Wide Fund for Nature (WWF) since 2017. Furthermore Jack was appointed to the Board of Trustees and Chair of the Audit & Risk Committee of CIFOR-ICRAF, the global leader in sustainable forestry, in 2024.

Jack Clemons holds a Master’s degree with honours from Cambridge University, UK, and is a Fellow of the Institute of Chartered Accountants in England and Wales. He also has an MBA from INSEAD, France.

Thai, 1963
 

Suwannee Ratthayabandith has been a member of the DKSH Board of Directors since March 2025.

She was a Managing Director at Thai Union Life Science, a major global frozen seafood company, based in Thailand from 2020 to 2024. Prior to that, she worked with Beiersdorf AG from 1996 to 2019. Starting as Marketing Director and advancing to Managing Director for Southeast Asia based in Thailand, she led the NIVEA and Eucerin brands for Beiersdorf across Thailand, Malaysia, Singapore, Vietnam, Myanmar, Cambodia, and Laos. In 2016, she relocated to Germany where she took the role of Vice President Global Eucerin and then the role of Vice President Global NIVEA. Previously, she served as Brand Manager and Senior Brand Manager at Bristol Myers Squibb from 1993 to 1996.

Since 2020, she is also an honorable advisor for the Center for Building Competitive Enterprises (CBCE), an organization established by the Thai Listed Companies Association which provides consulting to companies with significant growth potential.

Suwannee Ratthayabandith holds a Master of Business Administration from the Middle Tennessee State University (MTSU), USA, and a Bachelor’s degree in Pharmacy from Mahidol University, Thailand.

Austrian, 1974

Dr. Wolfgang Baier has been a member of the Board of Directors of DKSH since 2019.

He served as the Group CEO of LUXASIA, a leading Asian omni-channel beauty distributor and retailer, from August 2016 until June 2025. He is currently an Advisor to the Chairman at LUXASIA. Prior to that, Dr. Wolfgang Baier was the Group CEO of the Singapore Post Group from 2011 to 2016. Previously, he worked for McKinsey & Company in Europe and Asia from 2001 to 2011, as a partner at the Singapore office, leading the Transportation and Logistics area as well as the Operations activities of McKinsey & Company in Southeast Asia. He is also Co-Founder and Chairman of the Board of Directors of tapouts (since January 2021).

Dr. Baier holds a PhD in Law with distinction and a Master’s degree in Law from the University of Vienna in Austria as well as a Master’s degree in Business Economics from the Universities of Exeter, UK, and Graz, Austria.