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Leonard Schleifer

President and Chief Executive Officer, Regeneron 

Working alongside CSO George Yancopoulos, Leonard has grown Regeneron, which he co-founded in 1988, from a small startup to one of the world’s leading biotechnology companies, with a number of FDA approved medicines. Leonard is a licensed physician and worked as a practicing neurologist before founding Regeneron.

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Part of the Power List 2018

The World’s Top 100 Medicine Makers

Bringing new drugs to patients is an incredibly difficult task that involves numerous indispensable actors – from pioneering entrepreneurs and CEOs, to industry experts, to dedicated researchers, to regulators who keep everyone on the right tracks.

Go to The Power List 2018