John Chen

John Chen is a seasoned professional in the biotechnology industry with extensive experience in cell culture process development and regulatory compliance. As a Director at Regeneron Pharmaceuticals, Inc. since December 2012, John has led investigations of commercial products, troubleshooting manufacturing processes, and supporting CMC regulatory filings. Prior to this role, John served as an Associate Director, where responsibilities included investigating process deviations and conducting studies to reduce raw material variability. John's earlier work as a Group Leader at MedImmune, LLC involved high titer fed-batch process development, while as a Scientist II at Neose Technologies, John focused on process development and tech transfer for recombinant protein production. John holds a Ph.D. from The University of Akron.