Our Leadership Team

DKSH Group

Home DKSH Group Leadership

DKSH's overall strategy and direction is guided by an international Board of Directors. The Executive Committee, led by the CEO, ensures executive management responsibility for the Group and the implementation of strategic goals across our markets and Business Units.

Executive Committee

Board of Directors

Stefan P. Butz

Chief Executive Officer

Curriculum Vitae Lebenslauf

Stefan P. Butz

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.

Stefan P. Butz

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.

Ido Wallach

Chief Financial Officer

Curriculum Vitae

Ido Wallach

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 also oversees Supply Chain Management 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.

Ido Wallach

Patrik Grande

Head, Business Unit Healthcare

Curriculum Vitae

Patrik Grande

Spanish, 1976

Head, Business Unit Healthcare

Patrik Grande joined DKSH in October 2022 as Vice President, Market Leader for Healthcare Thailand. Two years after, he took on additional responsibilities as Regional Head of Commercial Outsourcing & Cluster Head APAC, Healthcare. As of January 2026, Patrik was appointed Head, Business Unit Healthcare and Member of the Executive Committee.

With more than 20 years of experience in the global pharmaceutical industry, Patrik has established a proven track record of leading businesses and growing organizations across Europe and Asia. Prior to DKSH, from 2003 to 2022, he worked at Novartis, a leading global Swiss pharmaceutical company, holding different commercial senior leadership roles of increasing responsibility, both at country and regional level.

Patrik Grande holds a Master’s degree in Business Administration from IESE Business School and a Bachelor’s degree in Business Administration and Law from Universidad de Deusto, both in Spain.

Patrik Grande

Chris Ritchie

Head, Business Unit Consumer Goods

Curriculum Vitae

Chris Ritchie

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 30 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.

Chris Ritchie

Natale Capri

Head, Business Unit Performance Materials

Curriculum Vitae

Natale Capri

Italian, 1970

Head, Business Unit Performance Materials

Natale Capri has been a member of the DKSH Executive Committee since November 2013. From November 2013 to December 2025, he served as Co-Head, Business Unit Performance Materials. In January 2026, he became Head, Business Unit Performance Materials.

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 of 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.

Natale Capri

Hanno Elbraechter

Head, Business Unit Technology

Curriculum Vitae

Hanno Elbraechter

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.

Hanno Elbraechter

Jasprit Sahnsi

General Counsel

Curriculum Vitae

Jasprit Sahnsi

British, 1981

General Counsel

Jasprit Sahnsi has been General Counsel of DKSH and a member of the Executive Committee since March 2025, responsible for Legal, Governance, Risk, and Compliance and serving as Company Secretary of DKSH Holding AG. Jasprit is an experienced legal professional with over 20 years of expertise in law firms and both listed and private equity-owned companies across Europe, the Middle East, and Asia.

Before joining DKSH, she served as Group General Counsel at Selecta Group having worked with the group 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, and corporate governance. Jasprit was admitted as a Solicitor of England and Wales in 2005.

Jasprit holds an LLB Law from Warwick University, UK. Additionally, she has completed executive education programs at the University of St. Gallen, the University of Oxford, and INSEAD.

Jasprit Sahnsi

Antoine Mangin

Chief Human Resources Officer

Curriculum Vitae

Antoine Mangin

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.

Antoine Mangin

Sam Oh

Chief Information Officer

Curriculum Vitae

Sam Oh

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.

Sam Oh

Delia Sun

Head, Supply Chain Management

Curriculum Vitae

Delia Sun

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.

Delia Sun

Marco Gadola

Chairman of the Board of Directors

Curriculum Vitae

Marco Gadola

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, Chairman of the Board of Volpi Group, Vice Chairman of the Board of Directors of Straumann Holding AG, and member of the Board of Directors of AVAG Anlage und Verwaltungs AG, Bühler Holding AG, and M+R Spedag Group. 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.

Marco Gadola

Adrian T. Keller

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

Curriculum Vitae

Adrian T. Keller

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.

Adrian T. Keller

Prof. Dr. Annette G. Köhler

Chair of the Audit Committee
Member of the Board of Directors

Curriculum Vitae

Prof. Dr. Annette G. Köhler

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.

Prof. Dr. Annette G. Köhler

Corine Tap

Member of the Board of Directors

Curriculum Vitae

Corine Tap

Dutch, 1973

Corine Tap has been a member of the DKSH Board of Directors since March 2026.

Corine Tap has been President Asia and member of the Executive Team at FrieslandCampina since 2022. She leads the Asia region for its Consumer Dairy and Professional businesses and sits as a Board Member on several of its subsidiaries. She has more than 20 years of leadership experience in Asia, Oceania, Africa, and the Middle East.

Previously, she held commercial and senior executive roles at Unilever and Danone. At Danone, she was CEO, Specialised Nutrition Danone Australia and New Zealand (2013–2017), President Director of Danone Aqua (2017–2021), and later President AMEA and a member of its Executive Committee.

Corine serves on the EU-ASEAN Business Council and Food Industry Asia, and has chaired the South East Asia Recycling Coalition since 2024. She is also an advisor to Circulate Capital.

Corine holds a Master’s degree in Econometrics and Operations Research from the University of Amsterdam.

Corine Tap

Eunice Zehnder-Lai

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

Curriculum Vitae

Eunice Zehnder-Lai

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.

Eunice Zehnder-Lai

Gabriel Baertschi

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

Curriculum Vitae

Gabriel Baertschi

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 cur-rently 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 as well as a member of the Board of Directors and Chair of the Nominating, Governance, & Compensation Committee of Idorsia, a Swiss biopharmaceutical company.

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.

Gabriel Baertschi

Jack Clemons

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

Curriculum Vitae

Jack Clemons

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. He chairs the Mergers and Acquisitions Committee and is a member of the Audit Committee.

From 2006 to 2016, Jack Clemons led the Bata Group, a global footwear manufacturer and retailer with substantial operations throughout Asia, as Group CEO and previously as Group CFO. Before Bata, he founded an international consulting business (2004-2006) and served as CFO and COO of the Firstream Group (2000-2004). Earlier, he was a partner at Deloitte in France and the USA (1995-2000), leading Deloitte’s European Technology practice, and worked as an Audit Supervisor at Touche Ross (1989-1993).

Jack Clemons has been a non-executive member of the Board of Directors, and member of the Audit & Risk Committee of Banque Cantonale Vaudoise (BCV) since 2016. Since 2025, he serves as Vice-Chair of the Supervisory Board of Nagarro SE, a German listed Data Engineering and AI group and chairs its Audit & Risk Committee. He advises the Board of Unit8 SA, a Swiss AI consulting company. Since 2024, he is a member of the Board of Trustees and Audit & Risk Committee Chair of CIFOR-ICRAF, the global leader in sustainable forestry. From 2017 to 2025, he served as a member of the International Board of Trustees and Chairman of the Audit & Risk Committee of the World Wide Fund for Nature (WWF).

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.

Jack Clemons

Julie von Wedel-Keller

Member of the Board of Directors

Curriculum Vitae

Julie von Wedel-Keller

Swiss, 1985

Julie von Wedel-Keller has been a member of the DKSH Board of Directors since March 2026.

Julie von Wedel-Keller worked for Angela Bruderer Ltd. in marketing and purchasing and later founded a start-up, launching a vegan canine dietary supplement brand. She has extensive experience across marketing, purchasing, entrepreneurship, and sustainability-driven consumer brands.

She currently serves as a Member of the Board of Directors at Angela Bruderer Ltd. (since 2019), DK Premium Brands Holding Ltd. (since 2025), and Gloster Furniture Holding Ltd. (since 2025). She has also been a Member of the Advisory Board of Diethelm Keller Holding Ltd. since 2023.

Julie von Wedel-Keller holds a Master of Law degree from the University of Fribourg, Switzerland.

Julie von Wedel-Keller

Valerie Diele-Braun

Member of the Board of Directors

Curriculum Vitae

Valerie Diele-Braun

Swiss and German, 1971

Valerie Diele-Braun has been a member of the DKSH Board of Directors since March 2026.

Valerie Diele-Braun is CEO of Nexture. Prior to taking the position at Nexture, she served as the CEO of IMCD (2023-2025), a leading global specialty chemicals distributor located in Rotterdam, which she joined in 2023 after serving three years on the Supervisory Board of IMCD.

Previously, she was the CEO of CABB (2018-2023), a leading global fine chemicals player with locations in Germany, Switzerland, the US, and China. During this time, she was also member of the Science Industries Board, the key life-science and pharmaceutical business association in Switzerland and on the Board of family-owned Lehmann & Voss Group.

Prior to that, she was Business President at Archroma (2014-2018) and has previously held various executive roles within DSM as well as at Givaudan, Quest. She has lived in the US, the UK, Germany, Italy, the Netherlands, and now Switzerland.

Valerie Diele-Braun holds a Bachelor of Science summa cum laude from the State University of New York, completed the Board Academy St. Gallen and INSEAD Powering Growth, and was member of the management trainee program at Unilever USA and then ICI.