Leonard Schleifer

Leonard Schleifer

Leonard Schleifer (#1592)

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

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

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.
About Images

Achievements

Career Highlights

A snapshot of the defining milestones, leadership decisions, and breakthroughs that shaped Leonard Schleifer’s rise and global influence.

  • #1504   Billionaires (2026)
  • #335   Forbes 400 (2024)

Wealth Growth

Net Worth Growth Over Time

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

Current Net Worth: $2.6B (May 4, 2026)