Senior Scientist
Regeneron Pharmaceuticals
Elmsford, New York
Oluwatosin (Tosin) Ibhagui, Ph.D., is a Senior Scientist in formulation development at Regeneron Pharmaceuticals in Tarrytown, New York. Her work focuses on the development of formulations for complex protein therapeutics across multiple modalities, including monoclonal antibodies and antibody–peptide conjugates. Tosin earned her Ph.D. in Biochemistry from Georgia State University, where her research centered on protein engineering, macromolecular chemistry, and molecular diagnostics. Her doctoral work contributed to the development of a protein-based magnetic resonance imaging (MRI) contrast agent for the early detection of fibrotic diseases and liver metastases. She has authored peer-reviewed publications in journals including Chemical & Biomedical Imaging and Investigative Radiology. At Regeneron, she works in a collaborative environment to advance stable, developable formulations that support the translation of complex biologics into therapeutic products.
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An Excipient-Dependent Surfactant Threshold Governs Aggregation in Monoclonal Antibody Formulations
Wednesday, July 15, 2026
2:35 PM - 3:05 PM East Coast USA Time