Rona R. Ramsay is a biochemist who has conducted 45 years of research on mitochondrial enzymes, applying kinetic analysis, inhibitor studies, protein chemistry, and molecular biology to investigate how enzymes work and how they are regulated. Fields have included fatty acid metabolism (University of Cambridge), flavoenzymes and redox carriers, mechanisms of neurotoxicity (mitochondrial mechanism of MPTP toxicity) (University of California, San Francisco), and drug design for monoamine oxidases (University of St Andrews).