Leadership & Corporate Governance


The Azelis leadership team oversees the company's business strategy, ensuring effective corporate governance and implementing a fresh, innovative vision of Azelis as a leading innovation service provider in the specialty chemicals and food ingredients industry. 

Executive Committee

Dr. Hans Joachim Müller
Group Chief Executive Officer

Hans Joachim Müller joined Azelis as Chief Executive Officer in 2012. Prior to joining Azelis, Dr. Müller was a member of the Managing Board and Head of the Catalytic Technologies Global Business Unit at Clariant AG, a company specializing in catalysts and adsorbents, and chief operating officer and member of the managing board of Süd-Chemie. Dr. Müller started his career at BASF, where he became director of technology and catalysts for Asia, based in Hong Kong, and then global director of specialty chemicals.

Dr. Müller holds a Ph.D. in Chemistry from Ludwig-Maximilians-Universität in Munich. He also obtained a research fellowship at the University of California, Los Angeles.

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Thijs Bakker
Chief Financial Officer

Thijs Bakker joined Azelis as Chief Financial Officer in 2016. Mr. Bakker has over 20 years' international experience in finance and the chemical industry, having worked in various finance roles in the Netherlands, the United States and across the Asia Pacific region for a leading global paints and coatings company and a major producer of specialty chemicals. Prior to joining Azelis, Mr. Bakker worked at Nuplex Resins, a specialty chemicals manufacturing company, and was finance director marine and protective coatings at Akzo Nobel N.V.

Mr. Bakker holds a master's degree in business administration and economics from the Erasmus University of Rotterdam in the Netherlands as well as a Post Graduate Master of Finance and Control (RC) from the Rotterdam School of Management.

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Anna Bertona
Chief Executive Officer & President, EMEA

Anna Bertona joined Azelis in 2013 as Group VP Strategic Planning & Implementation and was appointed Chief Strategy & Principal Officer in 2014. In 2016 she was appointed CEO & President Azelis EMEA. Prior to joining Azelis, Ms. Bertona worked in strategy consultancy, most recently as a partner within A.T. Kearney.

Ms. Bertona holds a Master of Science in Industrial Design Engineering from the Delft University of Technology (the Netherlands), as well as an MBA from the Rotterdam School of Management.

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Frank Bergonzi
Chief Executive Officer & President, Americas

Frank Bergonzi joined Azelis in 2015. He was the President & CEO of KODA Distribution Group from 2012 and in 2015, following the acquisition of KDG Holdings, Inc. by Azelis, Mr. Bergonzi was appointed CEO & President Azelis Americas. Prior to that, Mr. Bergonzi was the Director of Corporate Distribution North America Chemicals and Plastics at BASF.

Mr. Bergonzi served on the board of the National Association of Chemical Distributors and as chairman of the supplier advisory panel, in addition to his role as a board trustee of the Chemical Education Fund. He is also an active member in the Chemical Club of New England, the Society of Cosmetic Chemists, the American Coatings Association and the Drug, Chemical and Associated Trade.

Mr. Bergonzi holds a BS in chemical engineering from the University of Connecticut.

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Sertaç Sürür
Chief Executive Officer & President, Asia Pacific

Sertaç Sürür joined Azelis in 2015 as Managing Director for Azelis Turkey, and in 2017 took on the additional role of Market Segment Director of Rubber & Plastic Additives.

In 2022, Mr. Sürür was appointed as CEO & President Asia Pacific. 

Sertaç holds a Bachelor's Degree in Chemical Engineering from Istanbul Technical University and a Master's Degree in Business Administration from the National University of San Diego, California. He has a wealth of experience in the chemical industry, having worked for over 20 years in commercial roles in Turkey, the U.S., Netherlands and Switzerland at companies such as DSM, Brenntag, Ravago and Akkim.

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Board of Directors

Executive Committee members Dr. Hans Joachim Müller and Thijs Bakker are also members of the Board of Directors, together with our partners from EQT; Kristiaan Nieuwenburg and Bert Janssens. Tom Hallam, Dr. Antonio Trius, Dr. Alexandra Brand and Ipek Ozsuer are Non-Executive Directors.

The Board of Directors has established two advisory committees, the Audit and Risk Committee and the Remuneration and Nomination Committee.

The Audit and Risk Committee consists of the following Directors: Tom Hallam (chair), Bert Janssens and Antonio Trius.

The Remuneration and Nomination Committee consists of Antonio Trius (chair), Alexandra Brand and Bert Janssens.

Dr. Antonio Trius

Antonio Trius is the chair of the Board of Directors, having joined as a non-executive director in 2014. Dr. Trius previously held a non-executive director role at Lonza Group AG and is currently a non-executive director of several companies, including Altana AG and Nubiola Pigmentos, S.L. in the chemical industry, and Igenomix, S.L., Maxam, S.L. and Mauser Group B.V. in other industries. Prior to joining Azelis, Dr. Trius was the chief executive officer of Cognis, a specialty chemicals supplier.

Dr. Trius holds a Ph.D. in Chemistry from the Universitat Autònoma de Barcelona and completed an executive development program (Programa de Desarrollo Directivo (PDD)) in Business Administration from IESE Business School.

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Kristiaan Nieuwenburg

Kristiaan Nieuwenburg joined Azelis as a non-executive Director in 2018. Mr. Nieuwenburg has been a partner at EQT since 2013 and has led its expansion into the Western European region. He is currently Chairman of EQT Partners Inc., head of private capital North America, and a member of EQT's global private capital management committee. Through his roles as a private equity principal, he holds or has held non-executive director and chairman roles at various companies, including activated carbon technology provider, Desotec, private company data provider, Bureau van Dijk, and abrasive and impact applications solution provider, Magotteaux, in Belgium.

Mr. Nieuwenburg holds an MBA from Harvard Business School and an M.Sc. in chemical engineering from Technische Universiteit Delft.

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Bert Janssens

Bert Janssens joined Azelis as a non-executive Director in 2018, having led EQT's investment in Azelis. Mr. Janssens is a partner at EQT, where he is the head of Western Europe equity, a member of EQT's global private equity management group, and responsible advisor for EQT's investment in Azelis. He joined EQT Group in 2015. Through his roles as a private equity principal, he holds or has held non-executive director roles at various companies, including Desotec in Belgium, idealista in Spain and Sitecore in Denmark.

Mr. Janssens holds an MBA from Harvard Business School, and a B.Sc. and M.Sc. in mechanical engineering from KU Leuven, Belgium.

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Tom Hallam

Tom Hallam joined Azelis as a non-executive Director in 2022. Mr. Hallam’s career spans over 30 years of experience in finance leadership roles, and he is currently Chief Financial Officer at Givaudan. Prior to joining Givaudan, Mr. Hallam held a number of positions of increasing responsibility at Serono in Geneva, including Financial Director for Manufacturing Operations, and in 2001 he was appointed Vice President, Corporate Finance.

Mr. Hallam holds a degree in Accounting and Finance from the University of Manchester and is a member of the Chartered Institute of Management Accountants (CIMA).

Dr. Alexandra Brand

Alexandra Brand joined Azelis as a non-executive Director in 2019. Dr. Brand is the regional director for the Europe, Africa and Middle East region of Syngenta, an agricultural science and technology group, and previously held the role of chief sustainability officer at Syngenta. Prior to working at Syngenta, Dr. Brand held various management and executive roles and was involved in global research at BASF in Germany and in Mumbai, India.

Dr. Brand holds a Ph.D. in Chemistry from the Technische Universität Darmstadt.

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Ipek Ozsuer

Ipek Ozsuer has more than 20 years of significant international business experience in IT and digital solutions roles. She has held numerous high-profile roles, including senior leadership roles in business intelligence and analytics at Bayer and currently serves as Bayer's chief information officer and head of digital transformation for enabling functions. She previously held positions focusing on business services, outsourcing, data and analytics for over twelve years at Hewlett Packard, having started her career at Procter & Gamble in 1999.

Ms. Özsüer holds a bachelor's degree in computer engineering from Boğaziçi University in Istanbul.

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