David Duffield

David Duffield

David Duffield (#411)

If you truly listen to what people are saying, you'll find out what's on their mind that they want to be comfortable with. And then you'll be more effective in addressing their concerns.

  • $ 9 B
  • Business software
  • United States
  • M
  • 85 Years

About Me

David Duffield cofounded not just one, but two successful enterprise software companies after age 40: PeopleSoft and Workday. He resigned as chairman of Workday in 2021; he cofounded the HR and finance software firm in 2005 and took it public in 2012. Duffield cofounded PeopleSoft at age 47 in 1987 and sold it to Oracle for $10.7 billion in cash in 2005. He founded his sixth enterprise software company, Ridgeline, in 2017, and is chairman of the cloud software firm for investment managers. He has spent more than $900 million supporting animal welfare, education and other causes, mostly via his family foundation and Maddie's Fund.
About Images

Achievements

Career Highlights

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

  • #407   Billionaires (2026)
  • #91   Forbes 400 (2025)
  • #33   Richest In Tech (2017)

Wealth Growth

Net Worth Growth Over Time

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

Current Net Worth: $8.5B (May 4, 2026)

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