Refeyn Announces Leadership Transition: Jonathan Flint Steps Down as Chairman, Jean-Paul Mangeolle Appointed as Successor

Oxford, UK – 10 June 2025 – Refeyn, a leader in mass photometry and analytical instrumentation, today announced that Jonathan Flint is stepping down as Chairman of the Board of Directors after completing two successful three-year terms. Flint’s tenure has been marked by significant growth and innovation, and the company extends its deepest gratitude for his exceptional leadership and dedication. 

Under Flint’s guidance, Refeyn has achieved major milestones, expanded its global footprint and strengthened its position as a pioneer in the life sciences industry. His strategic vision and commitment have been instrumental in shaping the company’s success. 

Jean-Paul Mangeolle, who has been a member of Refeyn’s Board since August 2022, will assume the role of Chairman with immediate effect. Mangeolle brings over 35 years of experience in the life sciences instruments sector. He most recently served as President of Sciex, an operating company of Danaher Corporation, until his retirement. His deep industry knowledge and leadership experience make him ideally suited to guide Refeyn through its next phase of growth.

“We are incredibly grateful to Jonathan for his outstanding leadership and unwavering support over the past six years. His contributions have been foundational to Refeyn’s success.” Gerry MacKay, CEO, commented.We are equally excited to welcome Jean-Paul as our new Chairman. His extensive experience and strategic insight will be invaluable as we continue to scale our business.” 

Jean-Paul Mangeolle

New Chairman of Refeyn’s Board of Directors