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Leonard Schleifer Biography

Leonard S. Schleifer, M.D., Ph.D., is the founder and chief executive of the biotechnology company Regeneron Pharmaceuticals.

Schleifer founded Regeneron in 1988 and has been a Director, its President, and Chief Executive Officer since its inception, making him the longest-serving CEO of a major U.S. biotechnology company.

He has grown Regeneron from a tiny startup to a $40 billion market cap company with four FDA-approved drugs. Under Dr. Schleifer's leadership, the company has established key business collaborations and developed industry-leading technologies for drug discovery and development, resulting in a robust pipeline of monoclonal antibody candidates in areas of high unmet need.

Schleifer also served as Regeneron's Chairman of the Board from 1990 through 1994. From 1984 to 1988 he was Assistant Professor at the Cornell University Medical College in the Departments of Neurology and Neurobiology.

Dr. Schleifer received his M.D. and Ph.D. in Pharmacology from the University of Virginia. Dr. Schleifer is a licensed physician and is certified in neurology by the American Board of Psychiatry and Neurology.

All American Speakers Bureau is a full-service talent booking agency providing information on booking Leonard Schleifer for speaking engagements, personal appearances and corporate events. Contact an All American Speakers Bureau booking agent for more information on Leonard Schleifer speaking fees, availability, speech topics and cost to hire for your next live or virtual event.

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Please Note: All American Speakers Bureau is a full-service talent booking agency providing information on booking Leonard Schleifer for speaking engagements, personal appearances and corporate events. Contact an All American Speakers Bureau booking agent for more information on Leonard Schleifer speaking fees, availability, speech topics and cost to hire for your next live or virtual event.

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