Sir Gregory Paul Winter is a world-renowned molecular biologist whose pioneering work has fundamentally transformed therapeutic antibody development. Born on 14 April 1951 in Leicester, United Kingdom, he spent his formative childhood years in Ghana before returning to England for secondary education at the Royal Grammar School in Newcastle upon Tyne. He pursued Natural Sciences at the University of Cambridge's Trinity College, completing his undergraduate degree in 1973 followed by a PhD in protein chemistry from the MRC Laboratory of Molecular Biology in 1977. His entire distinguished research career has been based at the MRC Laboratory of Molecular Biology and the MRC Centre for Protein Engineering in Cambridge, where he progressively assumed leadership roles including Programme Leader, Head of the Division of Protein and Nucleic Acid Chemistry, and Deputy Director. He served with distinction as Master of Trinity College, Cambridge from 2012 until 2019 while maintaining his scientific affiliations.
Winter pioneered revolutionary techniques for humanizing monoclonal antibodies through his seminal 1986 work, which enabled the strategic replacement of mouse antibody components with human equivalents to circumvent immune rejection in patients. His subsequent development of antibody phage display technology allowed for the creation of fully human antibodies, overcoming critical limitations of previous rodent-derived antibodies that triggered harmful immune responses in human therapeutic applications. This groundbreaking work established the foundation for therapeutic antibodies now used in treating cancer, autoimmune diseases like rheumatoid arthritis, and multiple sclerosis, resulting in numerous FDA-approved pharmaceuticals that have benefited millions of patients globally. His innovative methodologies have fostered a multi-billion dollar industry with over 100 antibody-based drugs currently in clinical use, including medications that have transformed treatment paradigms for numerous previously intractable conditions. For these transformative contributions to directed evolution of antibodies, Winter was awarded the 2018 Nobel Prize in Chemistry jointly with George Smith and Frances Arnold.
As a scientific leader, Winter has profoundly shaped the field of protein engineering through his mentorship of generations of researchers and his establishment of highly successful biotechnology companies including Cambridge Antibody Technology, Domantis, and Bicycle Therapeutics. He has received numerous prestigious honors including a Knighthood for services to Molecular Biology in 2004 and election as Fellow of the Royal Society in 1990, reflecting his dual impact on fundamental science and clinical applications. Currently serving as Chairman of the Scientific Advisory Board of the Noel Croucher Foundation, he continues to champion scientific advancement while maintaining his influential role in global biomedical research initiatives. His enduring legacy extends beyond his own discoveries to the thriving field of therapeutic antibodies that has revolutionized modern medicine, with his techniques forming the essential basis for contemporary antibody engineering research worldwide. Winter's career exemplifies the remarkable translation of fundamental molecular insights into life-saving medical treatments that continue to improve human health on a global scale.