Non-Executive Directors
Our Board of Directors as at December 31, 2025 comprised the following 8 Non-Executive Directors. As announced on January 5, 2026, there will be a leadership transition in May 2026. Peter Verhaeghe will step down as Non-Executive Director and chairperson of the Board of Directors at the 2026 General Meeting. Tim Van Hauwermeiren will transition from his current CEO role to the position of Non-Executive chairperson of the Board of Directors after receiving approval from the shareholders during the 2026 General Meeting.
Peter Verhaeghe
Peter Verhaeghe has served as a member and chairperson of the board of arGEN-X B.V. since October 2008 and as Non-Executive Director on our Board of Directors since July 2014.
Peter Verhaeghe is the managing partner of VVGB Advocaten-Avocats, a corporate finance law and tax law firm, a position he has held since July 1999. He is currently lead counsel to a number of Belgian, Dutch, French, U.S. and Swiss life sciences companies. Peter Verhaeghe has served on the boards of directors of Participatiemaatschappij Vlaanderen NV since May 2018 and miDiagnostics NV since April 2020. He has also served as chairman of the board of Haretis SA (Luxembourg) since March 2011 and as chairman of the LP & advisory committee of Bioqube Factory Fund I NV since September 2020. Peter Verhaeghe previously served as a member of the board of directors of CzechPak Manufacturing s.r.o., Fujirebio Europe N.V., Tibotec-Virco NV, and Biocartis SA. He was also the president of the board of directors of Merisant France SAS, a member of the management board of Merisant Company 2 S.à. rl., and chairman of the board of directors of PharmaNeuroBoost NV. He holds a degree in law from the University of Leuven and an LL.M. degree from Harvard Law School.
Ana Céspedes
Ana Céspedes has served as a member of our Board of Directors since December 2022 and as the chairperson of the Remuneration and Nomination Committee since May 2025. Ana Céspedes is the chief executive officer and president of Vitamin Angels, a global health organization dedicated to addressing malnutrition among women and children worldwide.
Prior to joining Vitamin Angels, Ana Céspedes served as chief operating officer of the International AIDS Vaccine Initiative, where she oversaw global operations across the United States, Europe, Africa and India. Her responsibilities included strategy and business development, access and commercialization, government affairs and external relations, communications, legal, human resources, finance, administration, business technology, and regional operations. Prior to that, Ana Céspedes held multiple senior leadership roles at Merck KGaA, most recently as Global Head of Strategy and External Engagement, Government and Public Affairs. She also worked as a senior consultant at Arthur Andersen. She currently serves as President of the Scientific Committee of the ProPatiens Institute and has led multiple international initiatives aimed at strengthening collaboration between the pharmaceutical industry and healthcare systems and advancing professional capabilities in market access and corporate affairs. She holds a Bachelor’s degree in Pharmacy and a Ph.D. from the Complutense University of Madrid, a Master in General Management (PDG) from IESE Business School, and an Executive Certificate in Strategy and Innovation from the Massachusetts Institute of Technology. She obtained the NACD.DC™ (National Association of Corporate Directors Directorship Certification®) in July 2024.
James Daly
James Daly has served as a member of our Board of Directors since May 2018. James Daly currently also serves as a director of Acadia Pharmaceuticals, Inc., Madrigal Pharmaceuticals, Inc. and Cytokinetics, Inc. He was formerly a member of the board of Halozyme Therapeutics, Inc., Bellicum Pharmaceuticals, Inc. and Chimerix, Inc.
In 1985, he joined GlaxoSmithKline where he held various positions, including senior vice president of the respiratory division with full responsibility for sales, marketing and medical affairs. James Daly moved to Amgen Inc. in 2001 where he was senior vice president for the North America commercial operations until 2011. In 2012, he joined Incyte Corp, a publicly-traded company focused on oncology and inflammation, where he was chief commercial officer until June 2015. Mr. Daly holds a Bachelor’s of Science and an MBA from the University at Buffalo, State University of New York.
Pamela Klein
Pamela Klein has served as a member of our Board of Directors since April 2016.
Since 2008, Pamela Klein has been a principal and founder of PMK BioResearch, a company offering strategic consulting in oncology drug development to corporate boards, management teams and the investment community. She has also been a venture partner in Ysios Capital Partners, SGIEC, S.A.U. since 2023. She currently serves as a member of the board of directors of several companies including Shasqi, Frontier Medicines Corp and Ona Therapeutics. Previously, Pamela Klein served on the board of directors of FStar, Sardona Therapeutics, Patrys Therapeutics, Inc, Jiya Acquisition Corp, and Spring Bank Pharmaceuticals, Inc. until its merger with F-Star Therapeutics in July 2020. Pamela Klein previously spent seven years at the National Cancer Institute as research director of the NCI-Navy Breast Center, after which she joined Genentech as vice president of development until 2001. She also served as chief medical officer for Intellikine, Inc., which was acquired by Takeda American Holdings. She holds a Bachelor’s degree in biology from California State University and an M.D. from Stritch School of Medicine, Loyola University Chicago and is trained in internal medicine and medical oncology. She continues to serve as an advisor for both private and public biotech companies.
Brian Kotzin
Brian Kotzin has served as a member of our Board of Directors and as a chairperson of our research and development committee since May 7, 2024.
He is a former member of the board of directors at Vera Therapeutics, Inc., Rigel Pharmaceuticals, Inc. and Kyverna Therapeutics, Inc. He served as Senior Vice President for Nektar Therapeutics, Inc. from April 2017 to June 2023, and has held various leadership positions at Nektar Therapeutics, Inc., including serving as Chief Medical Officer and Head of Clinical Development from January 2021 to September 2021, again from May 2022 to June 2023, and again from February 2025 to November. He currently is the interim chief medical officer at Nektar Therapeutics, Inc. From 2004 to 2015, Brian Kotzin was Vice President, Global and Clinical Development and Head, Inflammation Therapeutic Area at Amgen Inc., directing the global development efforts for product candidates in the inflammation area. During his employment at Amgen Inc, he also served as Vice President of Translational Sciences and Head of Medical Sciences from 2006 to 2011. Prior to entering the life sciences industry, Brian Kotzin held several positions as a professor at the University of Colorado Health Sciences Center, where his research focused on immunopathogenesis of inflammatory diseases. He has also held leadership roles at several national organizations, including as a member of the American College of Rheumatology (ACR) Board of Directors, Member and Chairperson of the NIH Immunological Sciences Study Section, Chairperson of the NIH Autoimmunity Centers of Excellence, and Member of the Board of Directors for the Federation of Clinical Immunology Societies. He is currently an elected Master of the ACR. He received an M.D. from Stanford University and a Bachelor’s degree in mathematics from the University of Southern California.
Steve Krognes
Steve Krognes has served as a member of our Board of Directors and as a chairperson of our Audit and Compliance Committee since February 2023.
Steve Krognes also serves on the boards of directors of Guardant Health, Inc., Denali Therapeutics, Inc., and Pliant Therapeutics, Inc. In September 2023, he also was appointed to the board of directors of ClayvstBio and in March 2026 he was appointed to the Board of Alveus Therapeutics Inc. He previously served on the boards of directors of RLS Global AB and Corvus Pharmaceuticals, Inc. and Gritstone Bio, Inc. Steve Krognes was the chief financial officer of Denali Therapeutics, Inc. from 2015 until retiring from that position in April 2022. Steve Krognes led successful financings for Denali Therapeutics, Inc., including its initial public offering in 2017, and contributed significantly to the company’s strategy, growth and strong financial position. His extensive leadership experience in the biotech and pharmaceutical industries includes 12 years in total at Roche and Genentech, Inc., during which Steve Krognes served as chief financial officer of Genentech, Inc. for six years and global head of Roche’s mergers & acquisition team for six years. He also chaired the Genentech Access to Care Foundation and represented Genentech on the board and executive committee of the California Life Science Association. Before that, Steve Krognes worked as an investment banker at Goldman Sachs, as a management consultant at McKinsey & Company, and as a venture capitalist in Scandinavia. Mr. Krognes holds a Master’s of Business Administration (MBA) from Harvard Business School and a Bachelor’s of Science in economics from the Wharton School of the University of Pennsylvania.
Anthony Rosenberg
Anthony Rosenberg has served as a member of our Board of Directors since April 2017 and as vice-chairperson of our Board of Directors since May 2025.
He currently serves as chief executive officer of TR Advisory Services GmbH, his own consultancy firm advising on business development, licensing, and mergers and acquisitions. Anthony Rosenberg also currently serves as chairman of the boards of directors of NUCLIDIUM AG, Oculis SA and Cullinan Therapeutics Inc. Previously Anthony Rosenberg held the positions of Managing Director at MPM Capital, a venture capital firm (2015 until 2020); head of M&A and Licensing of Novartis International (2013 to 2015); and head of business development and licensing at Novartis Pharma (2005 to 2012). Anthony Rosenberg also previously served on the boards of directors of SiO2 Material Science (until March 2023), Radius Health Inc., TriNetX, Inc., iOmx Therapeutics AG, and Clinical Ink, Inc. Mr. Rosenberg has a Bachelor of Science with honors from the University of Leicester and a Master’s of Science in physiology from the University of London.
Camilla Sylvest
Camilla Sylvest previously served as the executive vice president of commercial strategy and corporate affairs of Novo Nordisk A/S until April 2025.
Camilla Sylvest has more than 29 years of working experience at Novo Nordisk A/S during which time she was based in Switzerland, Denmark, Germany, Malaysia, and Mainland China. Over the years, Camilla Sylvest has headed up Novo Nordisk A/S affiliates of growing size and complexity in Europe. She was also corporate vice president of the business area Oceania and Southeast Asia and senior vice president and general manager of the Novo Nordisk A/S region of Mainland China. Camilla Sylvest also served as a member of the board of Danish Crown A/S until September 2025. She holds a Master’s of Science in economics from the University of Southern Denmark and an executive MBA from the Scandinavian Management Institute. Camilla Sylvest has served as a member of our Board of Directors since September 2022.
The following table sets forth certain information with respect to the current Non-Executive Directors, including their ages, as at December 31, 2025:
Name |
|
Age |
|
Gender |
|
Position |
|
Nationality |
|
Date of Initial Appointment |
|
Date of last |
|
Term expiration |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Peter Verhaeghe |
|
67 |
|
M |
|
Non-Executive Director (chairperson) |
|
Belgium |
|
October 15, 2008 |
|
May 7, 2024 |
|
AGM 20261) |
||||||
Ana Céspedes |
|
52 |
|
F |
|
Non-Executive director |
|
Spain |
|
December 12, 2022 |
|
December 12, 2022 |
|
AGM 2026 |
||||||
James Daly |
|
64 |
|
M |
|
Non-Executive Director |
|
U.S. |
|
May 8, 2018 |
|
May 10, 2022 |
|
AGM 2026 |
||||||
Donald deBethizy2) |
|
75 |
|
M |
|
Non-Executive Director |
|
U.S. |
|
May 13, 2015 |
|
May 2, 2023 |
|
AGM 2025 |
||||||
Pamela Klein |
|
64 |
|
F |
|
Non-Executive Director |
|
U.S. |
|
April 28, 2016 |
|
May 7, 2024 |
|
AGM 2026 |
||||||
Brian Kotzin |
|
77 |
|
M |
|
Non-Executive Director |
|
U.S. |
|
May 7, 2024 |
|
May 7, 2024 |
|
AGM 2028 |
||||||
Steve Krognes |
|
57 |
|
M |
|
Non-Executive Director |
|
U.S. and Norway |
|
February 27, 2023 |
|
February 27, 2023 |
|
AGM 2027 |
||||||
Anthony Rosenberg2) |
|
72 |
|
M |
|
Non-Executive Director (vice-chairperson) |
|
UK |
|
April 26, 2017 |
|
May 27, 2025 |
|
AGM 2027 |
||||||
Camilla Sylvest |
|
53 |
|
F |
|
Non-Executive director |
|
Denmark |
|
September 8, 2022 |
|
September 8, 2022 |
|
AGM 2026 |
||||||
|
||||||||||||||||||||
The address for our Non-Executive Directors is our registered office, Laarderhoogtweg 25, 1101 EB Amsterdam, the Netherlands.
The following table sets forth the companies and partnerships of which the current Non-Executive Directors have been a member of the administrative, management or supervisory bodies or partner at any time in the previous five years, indicating whether or not the individual is still a member of the administrative, management or supervisory bodies or partner, as of the date of this Annual Report, other than argenx or our subsidiaries:
Name |
|
Current |
|
Past |
|---|---|---|---|---|
Peter Verhaeghe |
|
|
|
|
Ana Céspedes |
|
|
|
|
James Daly |
|
|
|
|
Donald deBethizy |
|
|
|
|
Pamela Klein |
|
|
|
|
Brian Kotzin |
|
|
|
|
Steve Krognes |
|
|
|
|
Anthony Rosenberg |
|
|
|
|
Camilla Sylvest |
|
|
|
|