BillionaireNet
Duffield
David Duffield
Rank #241
UNITED STATESTechnologyBusiness software

David Duffield

Net Worth
$12.281B
+0.72% (24h)
David Duffield, born September 21, 1940, is a prominent figure in the enterprise software industry, renowned for co-founding PeopleSoft in 1987 and Workday in 2005. His source of wealth stems from his successful ventures in Business software. With an estimated net worth of $12.2 billion, Duffield is a self-made billionaire. His career began at IBM before transitioning to entrepreneurship. Duffield is also celebrated for his philanthropy, especially through Maddie's Fund, an animal welfare organization. He is known for prioritizing employees and fostering a positive work environment.

The Full Dossier

Early Life

David Arthur Duffield was born on September 21, 1940, in Cleveland, Ohio, and raised in Ho-Ho-Kus, New Jersey. He graduated from Ridgewood High School in 1958. Duffield earned a bachelor's degree in electrical engineering and an MBA from Cornell University.

Rise to Success

Duffield began his career at IBM. In 1987, at age 47, he co-founded PeopleSoft, which became the second-largest application software company globally before its acquisition by Oracle in 2005. In 2005, he co-founded Workday, which specializes in cloud-based applications for human capital and financial management. He stepped down as chairman of Workday in 2021.

Key Business Strategies

Duffield is known for his focus on building user-friendly enterprise software and creating strong company cultures that prioritize employees. He emphasized customer service and innovation. He also has a unique approach to leadership, being described as a "foot-on-the-gas" type of leader. Duffield has founded six companies, which has led to his success in the tech industry.

Philanthropy

David Duffield is dedicated to philanthropy, primarily through the Dave & Cheryl Duffield Foundation and Maddie's Fund. He has donated over $345 million to animal welfare causes. His donations to Cornell University total over $145 million. The Duffields’ also established the Liberty Dogs, a 27-acre service dog training campus in Reno, Nevada, that will match and train disabled military veterans and canine companions. The Duffields have pledged $100 million to fund an expansion of Duffield Hall and a renovation of the adjacent Phillips Hall, home to the School of Electrical and Computer Engineering.

Career Timeline

2025

Donated $100 million to Cornell

Made a record-setting donation to Cornell University for the expansion of Duffield Hall and renovation of Phillips Hall.

2021

Resigned as Chairman of Workday

Duffield stepped down as chairman of Workday.

2017

Founded Ridgeline

Founded Ridgeline, a software platform for the investment management industry.

2005

Co-founded Workday

Co-founded Workday with Aneel Bhusri, focusing on cloud-based applications.

1987

Co-founded PeopleSoft

Served as CEO and board chairman; company grew to be the world's second-largest application software company.

1964

Began career at IBM

Started as a marketing representative and systems engineer.

Philanthropic Impact

Animal Welfare$345M+

Maddie's Fund

A foundation focused on animal welfare.

Community and Animal WelfareVarious

Dave & Cheryl Duffield Foundation

Supports animal shelters, local schools, and community organizations, and funds Liberty Dogs.

Education$145M+

Cornell University

Donations for research, scholarships, and facilities, including Duffield Hall.

Wealth Trajectory