John Margeson

John Margeson is the Product Manager at Thermo Fisher Scientific responsible for Thermo Scientific™ Niton™ X-ray fluorescence (XRF) products. He works at the intersection of XRF instrument development, real-world applications, and customer needs, helping translate complex elemental analysis challenges into practical solutions. With deep hands-on experience in XRF analyzers and their use across industrial and scientific markets, John supports customers in applying Niton™ XRF for fast, reliable material identification and elemental analysis.