Leonard Schleifer

Leonard Schleifer

Leonard Schleifer (#1494)

Global Rank #1494
Country Rank #540
Country United States

Most people, they lose their edge. We just push the edge further forward.

  • $ 3 B
  • Pharmaceuticals
  • United States
  • M
  • 74 Years

Snapshot

Quick Facts

Global Rank #1,494
Country Rank #540
Net Worth $2.8B
Previous Worth $2.7B
Worth Change +$0.1B
Country United States
Industry Pharmaceuticals
Age 74 Years
Gender M
Worth As Of May 4, 2026
Last Refreshed 29 Jul 2026, 12:00 AM
Residence Tarrytown, New York
World Billionaires List United States Billionaires Pharmaceuticals

Profile Data

Personal Stats

Age 74
Source Of Wealth Pharmaceuticals, Self Made
Self Made Score 8
Philanthropy Score 1
Residence Tarrytown, New York
Citizenship United States
Marital Status Married
Children 3
Education Medical Doctor, University of Virginia; Ph.D, University of Virginia; Bachelor of Arts/Science, Cornell University
Net Worth Change +$0.1B +3.7% from previous worth
Previous Net Worth $2.7B
Current Net Worth $2.8B

Worth as of May 4, 2026

About Me

Leonard Schleifer cofounded drugmaker Regeneron in 1988, and remains CEO of the Tarrytown, New York-based company. Schleifer took Regeneron public in 1991; he owns 2% of the company's common stock. Sales of Regeneron's blockbuster drug Eylea, a treatment for macular degeneration, were $4.8 billion in the U.S. in 2024. Regeneron has developed 12 FDA-approved medicines.

Insights

Did You Know?

Schleifer attended Cornell on scholarship and dreamed of a medical career.

The son of a sweater manufacturer, Schleifer grew up in Queens, New York.

Wealth Growth

Net Worth Growth Over Time

Tracking Leonard Schleifer's net worth journey over the years, highlighting key growth phases and financial milestones.

Worth Trend Net Worth Growth
Period Change Worth Movement
Current Net Worth: $2.8B (May 4, 2026)

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