David Duffield

David Duffield (#425)

Global Rank #425

Country Rank #167

Country United States

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.

$ 8 B
Business software
United States
M
85 Years

Snapshot

Quick Facts

Global Rank #425

Country Rank #167

Net Worth $8.4B

Previous Worth $8.4B

Worth Change +$0.0B

Country United States

Industry Business software

Age 85 Years

Gender M

Worth As Of May 4, 2026

Residence Incline Village, Nevada

Citizenship United States

World Billionaires List United States Billionaires Business software

Profile Data

Personal Stats

Age 85

Source Of Wealth Business software, Self Made

Self Made Score 8

Philanthropy Score 3

Residence Incline Village, Nevada

Citizenship United States

Marital Status Married

Children 10

Education Master of Business Administration, Samuel Curtis Johnson Graduate School of Management; Bachelor of Engineering, Cornell University

Net Worth Change +$0.0B +0.0% from previous worth

Previous Net Worth $8.4B

Current Net Worth $8.4B

Worth as of May 4, 2026

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.

Achievements

Forbes List Highlights

A snapshot of the list placements and rankings connected to David Duffield.

#407

Billionaires (2026)

#91

Forbes 400 (2025)

#33

Richest In Tech (2017)

Insights

Did You Know?

Duffield mortgaged his home to bootstrap PeopleSoft in the 1990s.

Duffield says he plans to leave the bulk of his fortune to Maddie's Fund--named after his beloved schnauzer--and other charitable causes, not to his 10 children.

Wealth Growth

Net Worth Growth Over Time

Tracking David Duffield'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: $8.4B (May 4, 2026)