Leonard Schleifer

Leonard Schleifer (#1604)

Global Rank #1604

Country Rank #555

Country United States

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

$ 3 B
Pharmaceuticals
United States
M
73 Years

Snapshot

Quick Facts

Global Rank #1,604

Country Rank #555

Net Worth $2.6B

Previous Worth $2.6B

Worth Change +$0.0B

Country United States

Industry Pharmaceuticals

Age 73 Years

Gender M

Worth As Of May 4, 2026

Residence Tarrytown, New York

Citizenship United States

World Billionaires List United States Billionaires Pharmaceuticals

Profile Data

Personal Stats

Age 73

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 +$0.0B +0.0% from previous worth

Previous Net Worth $2.6B

Current Net Worth $2.6B

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.

Achievements

Forbes List Highlights

A snapshot of the list placements and rankings connected to Leonard Schleifer.

#1504

Billionaires (2026)

#335

Forbes 400 (2024)

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: $2.6B (May 4, 2026)