Chief Executive Officer

German, 1968

• Chief Executive Officer
  

Stefan P. Butz joined DKSH as a member of the Executive Committee in January 2017, before becoming CEO in March 2017.

From 2013, Stefan P. Butz was the Chief Executive Industry & COO Europe/China with the Intertek Group Plc in London, UK. The company ranks among the leading global enterprises in the worldwide quality assurance industry. He joined Intertek in 2008 as Group Executive Vice President and was initially responsible for setting up its Industry and Assurance division, as well as for Strategy, Mergers & Acquisitions, and Marketing. Before that, he worked at TÜV Süd, one of the world’s largest testing, certification, and inspection companies, as Head Corporate Development from 2000, and then from 2002 as CEO & President of the North American operations, headquartered in Boston.

Stefan P. Butz began his career as a Management Consultant and worked at Accenture Strategy in Munich for many years. Stefan P. Butz holds a Master’s degree in Business Administration (Dipl.-Kfm., Honors) from the University of Bayreuth, Germany. He has also completed executive programs at Harvard and Wharton, both in the USA.

Deutscher Staatsbürger, 1968

• Chief Executive Officer

Stefan Butz ist seit Januar 2017 Mitglied der Geschäftsleitung der DKSH und wurde im März 2017 zum CEO ernannt.

Seit 2013 war Stefan Butz Chief Executive Industry & COO Europe/China bei der Intertek Group Plc in London, Grossbritannien. Das Unternehmen zählt zu den führenden Unternehmen der weltweiten Qualitätssicherungsbranche. Im Jahr 2008 trat er als Group Executive Vice President bei Intertek ein und war zunächst für den Aufbau der Division Industry and Assurance sowie für Strategie, Mergers & Acquisitions und Marketing verantwortlich. Zuvor war er im Jahr 2000 bei TÜV Süd, einem der weltweit grössten Test, Zertifizierungs- und Prüfungsunternehmen, als Head Corporate Development und anschliessend im Jahr 2002 als CEO & President der Region Nordamerika in Boston tätig. Stefan Butz begann seine Karriere als Management Consultant und arbeitete viele Jahre bei Accenture Strategy in München.

Stefan Butz hat an der Universität Bayreuth Betriebswirtschaft studiert (Dipl.-Kfm) sowie diverse Executive-Programme absolviert, unter anderem an den Universitäten in Harvard und Wharton.

Chief Financial Officer

Israeli/Italian, 1975

• Chief Financial Officer

Ido Wallach joined DKSH in November 2019 as Vice President Group Controlling, based in Singapore. Since July 1, 2021, he has been Chief Financial Officer (CFO) and Member of the Executive Committee. In addition to Finance, Ido is also responsible for Supply Chain Management and Transformation with in DKSH.

Ido has more than 25 years of extensive experience in finance and capital markets spanning Europe (including Switzerland), Asia, and North America. Before joining DKSH, he was CFO at Keter from 2016 until 2019 and prior to that, he has held finance leadership positions at L’Oréal (2007-2016), P&G (2002- 2006), and EY (1999-2000).

Since August 2024, he is a member of the Board of Directors of aCommerce Group Public Company Limited and of aCommerce Group Limited.

Ido Wallach holds an MBA from SDA Bocconi School of Management in Milan, Italy, and a Bachelor of Economics from University College London, UK.

Head Business Unit Healthcare

Canadian, 1964

• Head Business Unit Healthcare
  

Bijay Singh joined DKSH as Vice President, Global Business Development for Business Unit Healthcare in July 2015. He was designated Head Business Unit Healthcare and member of the Executive Committee in July 2017.

Bijay Singh has over 30 years of experience in the healthcare industry. From 2004 to 2015, he held various senior positions at Novartis, a leading global Swiss healthcare company. Prior to 2004, he worked in various positions for Eli Lilly in Asia from 1997 to 2003 and in the United States from 1993 to 1996, as well as for two global audit companies between 1987 and 1991. He has lived and worked on four continents and amassed over 20 years of work experience in the healthcare field across Asia.

Bijay Singh holds a Bachelor of Business Administration (Hons) from Simon Fraser University, Canada, and a Master’s degree in Business Administration from Stanford University, USA.

Head Business Unit Consumer Goods

Canadian, 1972

• Head Business Unit Consumer Goods

Chris Ritchie joined DKSH as Head Business Unit Consumer Goods and member of the Executive Committee in August 2023.

Chris has over 29 years of experience in the consumer goods industry. Prior to joining DKSH, he was Chief Global Business Officer of Sazerac, a leading privately held American spirit company, where he oversaw the Operating Units in Europe, India, and Asia Pacific for the last four years. From 2016 to 2019, he was General Manager at Reckitt Benckiser, responsible for the growth market Philippines. Prior to that, from 2007 to 2016, he held various General Manager and Director positions at SABMiller in Asia, Europe, and Americas, including Managing Director of SABMiller Vietnam. From 1995 to 2006, he held regional and global marketing roles at P&G.

Throughout his career, Chris has driven growth, route-to-market, and built strong teams, especially in developing markets.

Chris holds a Bachelor's degree in Economics from Queen's University in Kingston, Canada.

Co-Head Business Unit Performance Materials

Italian, 1970

• Co-Head Business Unit Performance Materials
  

Natale Capri has been Co-Head Business Unit Performance Materials and a member of the DKSH Executive Committee since November 2013.

Natale Capri joined the Milan office of DKSH in 1998 as a Sales Manager for Italy, where from 2001 to 2005, he was responsible for European and American Imaging and Electronic Chemicals. From 2006, he also headed the European Business Line Specialty Chemicals and thereafter, in 2011, became Global Vice President Business Line Specialty Chemicals. Additionally, he held the role of Head DKSH India from 2007 to 2011. Still today, he acts as Managing Director of DKSH Italy. Prior to DKSH, he worked for the Italian chemical Group Lamberti from 1995 to 1998.

Natale Capri holds a Master’s degree in Organic Chemistry from the Milan University and an MBA from SDA Bocconi School of Management, both in Italy.

Co-Head Business Unit Performance Materials

German/Dutch, 1965

• Co-Head Business Unit Performance Materials
  

Thomas Sul has been Co-Head Business Unit Performance Materials and a member of the DKSH Executive Committee since November 2013.

He joined DKSH in Germany in 1996 as a Sales Manager in Specialty Chemicals. To this day, he acts as Managing Director of DKSH GmbH, Germany. From 2003 to 2007, he was a Global Business Line Manager in Specialty Chemicals and thereafter, Vice President Europe. Before that, he worked for Beiersdorf AG as a Market and Product Manager from 1990 to 1996.

Thomas Sul is a member of the Board of the OstAsienVerein (OAV), where he heads the Philippines Country Board. Thomas Sul holds a Master’s degree in Business Administration (Dipl.-Kfm.) from the University of Kiel, Germany.

Head Business Unit Technology

German, 1980

• Head Business Unit Technology
  

Hanno Elbraechter has been Head Business Unit Technology and a member of the Executive Committee since September 2014.

Before joining DKSH, he spent more than ten years at Deckel Maho Gildemeister (DMG) from 2004 to 2014 and was appointed as CEO Asia of DMG in 2009.

He has been a member of the Board of Directors at Datacolor AG since November 2018.

Hanno Elbraechter graduated from the Ecole de Management (ESC) de Bordeaux, France, and University of Applied Sciences Muenster, Germany.

General Counsel

United Kingdom, 1981

• General Counsel
  

Jasprit Sahnsi has been General Counsel of DKSH and a member of the Executive Committee since March 2025. Jasprit is an experienced legal professional with over 20 years of expertise in law firms and both listed and private equity-owned companies with a focus on services across Europe, the Middle East, and Asia.

Before joining DKSH, she served as Group General Counsel at Selecta Group, overseeing legal, compliance, and intellectual property matters since 2018. Prior to that, she spent nearly 10 years at gategroup, including an assignment in Asia, and worked as a solicitor in UK-based law firms. She has extensive experience in corporate, M&A, commercial law, corporate governance as well as a wide variety of more general in-house legal issues. She has a track record of building and leading high-performance teams. Jasprit was admitted as a Solicitor of England and Wales in 2005.

Jasprit holds an LLB Law from Warwick University, UK. Additionally, she has pursued further education, including a Compliance Management program at the University of St. Gallen, a Mini MBA from the University of Oxford, UK, and a course on Advancing Diversity and Inclusion at INSEAD, Paris.

Chief Human Resources Officer

French, 1976

• Chief Human Resources Officer

Antoine Mangin has been Chief Human Resources Officer of DKSH since June 2020. As such, he ensures that DKSH’s talents and capabilities as well as the organization remains fit for the future, in line with the strategic business direction. He is also responsible for the setup and effectiveness of local market management teams, evolving DKSH’s culture, and for modernizing the employee experience.

Antoine Mangin brings more than 25 years of extensive Human Resources experience across Europe and Asia with organizations such as Mars Inc, L’Oréal, and Renault.

He holds a Master’s degree in Human Resources from the University of Paris and a Bachelor’s degree in Political Science from the University of Strasbourg, both in France.

Chief Information Officer

Korean/American, 1966

• Chief Information Officer
  

Sam Oh joined DKSH in February 2021 as Chief Information Officer. He has been appointed as a member of the Executive Committee in March 2022.

Sam Oh has been pivotal in the further development of the Group-wide digital and IT strategy and accelerated the company's digital transformation. He also oversees DKSH's Corporate Shared Service Center (CSSC), which comprises the global IT hub and Business Process Operations with over 500 employees. Since August 2023, he has also been responsible for e-commerce. Furthermore, he serves as Chairman of the Board for DKSH Holdings (Malaysia) Berhad since November 2024.

Sam Oh brings over 25 years of work experience gained at Tesco, Fujistu, and Dairy Farm International, across Asia and the USA.

He has been a member of the Board of Directors of aCommerce Group Public Company Limited since August 2023.

Sam Oh holds a Bachelor’s degree in Mathematics and Computer Science from the University of California, San Diego, USA.

Head Supply Chain Management

Chinese, 1978

• Head Supply Chain Management

Delia Sun has been Head Supply Chain Management since December 2022. Delia has a demonstrated track record of being a passionate leader and has previously led transformations in her career. She has close to 25 years of experience in supply chain and logistics across many best-in-class companies in different industries.

Prior to DKSH, Delia was VP, APAC Procurement at Tapestry and has driven the transformation of various functions including fulfilment management and logistics for Distribution Centers in Asia. Delia’s previous experience in Nike and Unilever China also included establishing innovative supply chain solutions internally to improve efficiency and externally for clients, integrated business planning, import/export fulfilment management and logistics, while reshaping the supply chain strategy and account operations.

Delia Sun holds a Bachelor’s degree in English and International Trade from the Shanghai Maritime University in China.

Chairman
Member of the Board of Directors

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.

Member of the Nomination and Compensation Committee
Member of the Mergers and Acquisitions Committee
Member of the Board of Directors

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.

Member of the Board of Directors

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.

Chair of the Audit Committee
Member of the Board of Directors

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.

Chair of the Nomination and Compensation Committee
Member of the Board of Directors

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.

Member of the Nomination and Compensation Committee
Member of the Mergers and Acquisitions Committee
Member of the Board of Directors

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.

Chair of the Mergers and Acquisitions Committee
Member of the Audit Committee
Member of the Board of Directors

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.

Member of the Board of Directors

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.

Member of the Board of Directors

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.