Ad hoc announcement pursuant to Art. 53 LR
Idorsia appoints Roland Wandeler as CEO – effective October 1, 2026 – an experienced biopharmaceutical executive combining scientific expertise with business acumen to translate innovation into performance and lead Idorsia's next phase of growth
Allschwil, Switzerland – July 1, 2026
Idorsia Ltd (SIX: IDIA) today announced the appointment of Roland Wandeler, PhD, as Chief Executive Officer (CEO), effective October 1, 2026. The appointment comes at a pivotal stage for Idorsia, as the company continues to execute its strategy to accelerate growth and unlock the full value of its innovative portfolio.
Roland Wandeler will succeed Jean-Paul Clozel, MD, who has been serving as ad-interim CEO since March 2026 and will continue in his role as Chairman of the Board of Directors. Jean-Paul Clozel will remain CEO until October 1, 2026, ensuring full continuity in the execution of Idorsia's strategic priorities.
A leader with broad global experience across pharma and biotech
Roland Wandeler, PhD, is a global biopharmaceutical executive with more than 25 years of leadership experience across the United States, Europe, and international markets. He currently serves as President, Biopharma at Grifols, where he leads a multi-billion-dollar global business. Previously, he held senior leadership roles at Amgen, including leading a major US business unit, and served as Chief Operating Officer of MorphoSys. He holds a PhD in technical sciences from ETH Zurich.
Gabriel Baertschi, Chair of Idorsia's Nominating, Governance & Compensation Committee, commented:
"Following a comprehensive and rigorous global search, we are very pleased to appoint Roland Wandeler as CEO of Idorsia. He brings extensive experience across both Europe and the United States, spanning large pharmaceutical organizations and more entrepreneurial biotech environments. His scientific background, combined with a strong track record in building and leading teams and delivering commercial success, positions him strongly to take the reins. Roland understands both the dynamics of large markets and the realities of local execution, making him ideally suited to lead Idorsia through its next phase of growth."
Selecting the right leader
The Board placed particular emphasis on identifying a leader with a long-term focus, a strong alignment with the company's vision, and who can nurture a culture of innovation, ambition, and a pragmatic, hands-on approach.
Jean-Paul Clozel, MD, Chairman of the Board and ad-interim CEO, commented:
"Roland and the Board are fully aligned on Idorsia's vision to create long-term value through innovative medicines that address significant medical needs. Our priority is to focus the organization on the activities that drive growth and maximize the impact of our portfolio. Idorsia has a unique culture rooted in science, combined with ambition and entrepreneurial spirit, and I am confident that Roland will build on this foundation and successfully advance the company."