David Duffield (born 1941) is a U.S. businessman in the software industry. He is best known as the co-founder and former chairman of PeopleSoft. In recent years he has consistently been on the Forbes World's Richest People list. He received a bachelor's degree in electrical engineering and an MBA from Cornell University and recently gave Cornell a large donation for a nanotechnology research building named Duffield Hall in his honor. PeopleSoft, Inc. ... Disambiguation: For the Boston Brahmin family of John Forbes Kerry, see Forbes family. ... Forbes magazine annually lists the worlds wealthiest individuals: The Worlds Billionaries. ... The examples and perspective in this article or section may not represent a worldwide view. ... Master of Business Administration (MBA) is a masters degree in business administration, which attracts people from a wide range of academic disciplines. ... This is about the university. ... Nanotechnology comprises technological developments on the nanometer scale, usually 0. ...

Dave Duffield founded 'PeopleSoft' in 1987 and served as the company’s CEO and board chairman. He was responsible for the company’s vision, product and market direction, and commitment to customer service. In addition, he inspired the company’s unique culture by promoting core values that focused on people, innovation, integrity and fun. PeopleSoft grew to be the world’s second-largest application software company before being acquired by Oracle in January 2005.

Prior to PeopleSoft, Dave established two mainframe application software companies. He was CEO, chairman, and chief product architect at Integral Systems, the first company to offer DB2-based human resource and accounting systems. He also co-founded Information Associates which specialized in applications for the higher education market. He began his career at IBM as a marketing representative and systems engineer.

Recently he started a new venture Workday that "will provide a revolutionary application platform and the next generation of business applications to drive your enterprise's performance. Our applications will be dramatically easy to use, be responsive to your organization’s changing needs and will significantly lower your total cost of ownership." This according to the Workday home page.