Timothy Fenn is a CMC and analytical development leader with 13 years of experience translating complex biologics and gene therapy programs into robust manufacturing and release strategies. Currently Vice President at Lexeo Therapeutics after progressing through senior analytical roles, he has led Sf9 AAV manufacturing strategy, potency and viral titer assay development, and end-to-end CMC decision-making to support IND-enabling work. His background spans big pharma discovery and hands-on biophysical assay development at Merck and Boehringer Ingelheim, giving him deep expertise in assay design, method transfer to CROs/CMOs, and cost-of-goods justification. Trained as a structural biochemist (PhD, Brandeis), he brings an uncommon blend of rigorous protein science and practical program leadership that accelerates translational timelines.
13 years of coding experience
20 years of employment as a software developer
B.S. Molecular and Cellular Biology, B.S. Molecular and Cellular Biology at University of Connecticut
Ph.D. Biochemistry, Ph.D. Biochemistry at Brandeis University
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