Meet Leonard S. Schleifer, Regeneron CTO

Bio, work history, education & how to reach out.

Leonard S. Schleifer

Job Title

CTO at Regeneron

Contact Information

*******@regeneron.com

+1 **********

Last updated: 2026-03-03

Who is Leonard S. Schleifer?

Leonard S. Schleifer, MD, PhD, is the CEO and co-founder of Regeneron, leading the company since 1988. He has a background in neurology and pharmacology, with a focus on innovative biotech solutions. Under his leadership, Regeneron has developed numerous FDA-approved medicines and responded rapidly to public health emergencies.

Leonard S. Schleifer's Work History

Leonard S. Schleifer has a long-standing career in biotechnology, founding Regeneron and guiding its growth into a leading biotech company. His work focuses on science-driven innovation and global health impact.

  • 1988 — CEO and Co-Founder, Regeneron

Leonard S. Schleifer's Education

Leonard Schleifer earned his MD and PhD in pharmacology from the University of Virginia and is a licensed neurologist. He also holds a BA from Cornell University.

  • University of Virginia — MD and PhD in Pharmacology
  • Cornell University — BA in Biochemistry

How to Reach Leonard S. Schleifer?

You can reach Leonard S. Schleifer at *******@regeneron.com or by calling +1 **********. To get Leonard S. Schleifer's contact information and other B2B leads like this, sign up for a free account at Anybody.com.

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