Brian Leonard, BSc, MBA

Principal Scientist

Brian is a senior scientist at Yarrow who leads therapeutic antibody discovery for autoimmune diseases, building drug discovery platforms and lab infrastructure.

With 10+ years of drug discovery experience at leading pharmaceutical companies, his expertise extends across both industry and academic research.

At Roche, Brian served as a Biology Discovery Leader and Scientist where he led multiple drug discovery programs in infectious disease. At Regeneron, he served as Lead R&D Specialist focusing on viral vector technologies for gene delivery. His extensive experience includes developing in vitro functional assays, identifying novel therapeutic targets, and advancing numerous therapeutic modalities including antibody, small molecule, siRNA and ASO.

Brian holds an MBA in BioPharma Innovation from Rutgers, laboratory training at Stanford University, and a BSc in Biology and Bioinformatics from Niagara University.

Our team comprises of passionate scientists, entrepreneurs, and industry experts, united by a shared vision of pushing the boundaries of medical science.