Refeyn Announces Leadership Transition: Jonathan Flint Steps Down as Chairman, Jean-Paul Mangeolle Appointed as Successor
hits:85 Date:06/11/25

Jean-Paul Mangeolle - Refeyn’s new Chairman
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."
To find out more about Refeyn and its mass photometry technology, please visit: https://www.refeyn.com
This release is available online at: https://refeyn.com/post/refeyn-board-update-june-2025
About Refeyn www.refeyn.com
Refeyn Ltd. specializes in the development, production, and distribution of mass photometry for industry and academia. Mass photometry and macro mass photometry are unique bioanalytical technologies pioneered by Refeyn. By quantifying light scattering from particles in solution, mass photometry enables mass measurement at the single-particle level while macro mass photometry enables simultaneous measurement of viral vector size and contrast (a proxy for mass).
Spun out of Oxford University in 2018, the company aims to make its technology accessible to all in the scientific community, enabling users to achieve new and better outcomes. Refeyn has been recognized for its unique approach to biomolecular analysis through multiple awards, including the Royal Society of Chemistry Emerging Technologies Competition. Applications of mass photometry include: Characterization of samples of biomolecules and adeno-associated viral (AAV) vectors, and analysis of protein oligomerization, biomolecular interactions, and antibody aggregation. Utilizing mass photometry and macro mass photometry, Refeyn’s products are capable of accurate analysis of single particles in solution, in their native state, and without the need for labels, opening up new possibilities for bioanalytics.
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