Billionaire Profile
David Duffield
Global Rank
#237

Image: Public domain | via Wikimedia Commons

David Duffield

CEO, Workday
US
Real-Time Net Worth
$12.2B
As of December 2025
Age
85
Source
Business software
Industry
technology
Citizenship
US

Biography

David Duffield is an 85-year-old American entrepreneur, best known for co-founding the enterprise software companies PeopleSoft and Workday. His career began at IBM, and he later founded several successful ventures, including Information Associates and Integral Systems. Duffield's wealth stems from his innovations in the business software industry. He is known for his dedication to his employees and his commitment to philanthropy, particularly through Maddie's Fund and the Dave & Cheryl Duffield Foundation, which support animal welfare, education, and community initiatives.

Wealth Over Time

In-Depth Profile

Early Life

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

Rise to Success

Duffield began his career at IBM as a marketing representative and systems engineer. He then founded Information Associates, which developed university exam scheduling software. His entrepreneurial journey continued with Integral Systems and Business Software Corporation. In 1987, Duffield co-founded PeopleSoft, where he served as CEO and board chairman. PeopleSoft became the world's second-largest application software company before being acquired by Oracle in 2005 for $10.7 billion. In 2005, Duffield co-founded Workday, Inc. with Aneel Bhusri, a cloud-based human capital management and financial management software company, where he served as co-CEO and chairman emeritus.

Key Business Strategies

Duffield's success can be attributed to his vision for enterprise software, his focus on employee well-being, and his ability to identify and capitalize on market opportunities. He was an early adopter of cloud computing and a strong advocate for a positive and employee-centric company culture. His companies were known for their innovative software solutions and their commitment to customer service.

Philanthropy

Duffield and his wife, Cheryl, are dedicated philanthropists. In 1994, they established Maddie's Fund, an animal welfare organization, with a substantial initial investment. The Dave & Cheryl Duffield Foundation supports animal welfare agencies, pet shelters, local schools, and community organizations. Duffield has also donated significantly to Cornell University, funding interdisciplinary research and establishing scholarships.

Career Milestones

1964

Began Career at IBM

Started as a marketing representative and systems engineer.

1987

Co-founded PeopleSoft

Served as CEO and board chairman.

2005

Co-founded Workday, Inc.

Co-founded with Aneel Bhusri, serving as co-CEO and chairman emeritus.

2017

Founded Ridgeline

Founded his sixth company, Ridgeline, providing cloud software for investment management.

Philanthropy & Social Impact

Animal Welfare

Maddie's Fund

$345M

A foundation focused on animal welfare.

Community Initiatives

Dave & Cheryl Duffield Foundation

Various

Supports animal welfare agencies, local schools, and community organizations.

Education

Cornell University Donations

$145M+

Funding interdisciplinary research, scholarships, and institutes.

Business Philosophy & Leadership

Notable Quotes

"I'm sort of a foot-on-the-gas kind of guy."

"I'll sweep the floors. I've picked up napkins in the men's room. I'm not above anything."

"The most important thing for us is our employees, hire the best, treat them well, expect a lot from them. They're the champions of the business."

Leadership Principles

Employee-Centric Culture

Prioritizing employee happiness and empowerment as the primary driver of innovation and customer satisfaction.

Customer Satisfaction

Focusing on the needs of the customer to deliver the best solutions.

Innovation

Embracing new technologies and finding innovative solutions to problems.