Charles Simonyi

Charles Simonyi

Charles Simonyi (#516)

  • $ 7 B
  • Microsoft
  • United States
  • M
  • 77 Years

About Me

Early Microsoft employee Charles Simonyi is the man behind some of the company's most successful software, including Word and Excel. The developer has a Ph.D. in computer science from Stanford and worked on one of the first personal computers at Xerox. He joined Microsoft, then a fledgling firm, as employee No. 40 in 1981 and spent two decades in application development. A native of Hungary, he left Microsoft in 2002 and founded Intentional Software, which develops platforms for productivity apps. Microsoft acquired Intentional Software in 2017 for an undisclosed price, bringing Simonyi back to the Redmond, Washington giant.
About Images

Achievements

Career Highlights

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

  • #542   Billionaires (2026)
  • #163   Forbes 400 (2025)

Wealth Growth

Net Worth Growth Over Time

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

Current Net Worth: $7.4B (May 4, 2026)