Sisi Zhang, MSc.

Sisi Zhang is a Principal Scientist in Analytical and Biological Mass Spectrometry at Regeneron Pharmaceuticals. Her work focuses on host cell protein analysis, with an emphasis on identifying problematic proteases and lipases that may affect drug product quality and support downstream processing. She also applies multi-omics approaches to support upstream processing. Before joining Regeneron, Sisi studied metabolism at Princeton University. She holds a BS in Pharmaceutical Sciences from Peking University and an MS in Chemistry from Rutgers University.