Bio, work history, education & how to reach out.
COO at Regeneron
*******@regeneron.com
+1 **********
Last updated: 2026-03-03
Leonard S. Schleifer, MD, PhD, is the co-chair, president, and CEO of Regeneron Pharmaceuticals. He has been a key figure in the biotech industry since founding Regeneron in 1988, focusing on innovative medicines and scientific research.
Leonard Schleifer has built and managed Regeneron since 1988, leading its mission to develop science-driven treatments. He is a physician-scientist with a background in neurology and pharmacology, dedicated to transforming healthcare through biotechnology.
Leonard Schleifer earned his MD and PhD in pharmacology from the University of Virginia and has been a clinical professor at Cornell Medical College.
You can reach Leonard S. Schleifer, MD, PhD at *******@regeneron.com or by calling +1 **********. To get Leonard S. Schleifer, MD, PhD's contact information and other B2B leads like this, sign up for a free account at Anybody.com.
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