David Duffield

David Arthur Duffield is an American businessman in the software industry. He is the co-founder and former chairman of PeopleSoft, the co-founder and chairman at Workday, Inc., and has been on the Forbes World’s Richest People list.

• David Duffield founded not just one, but two successful enterprise software companies after age 40.
• He started PeopleSoft at 47 and sold it to Oracle for $10.7 billion in cash in 2005.
• At age 64 he founded the human resource and finance software company Workday, which he chairs and took public in 2012; he owns 23% of the company.
• Duffield started his first business at 28. As a child, he mowed lawns but says his most impactful job was a systems engineer at IBM after college.
• He has given $345 million to Maddie’s Fund and has doled out another $400 million to, among others, his alma mater Cornell, as of June 2019.