Members of the Open Source Initiative board of directors

Eric Steven Raymond (born December 4, 1957), often referred to as ESR, is an American software developer, open-source software advocate, and author of the 1997 essay and 1999 book The Cathedral and the Bazaar. He wrote a guidebook for the Roguelike game NetHack. In the 1990s, he edited and updated the Jargon File, currently in print as The New Hacker's Dictionary.

Stefano Zacchiroli is an Italian/French academic and computer scientist who lives and works in Paris, and a former Debian Project Leader, a position in which he served from April 2010 to April 2013. Succeeding Steve McIntyre, he was himself preceded by Lucas Nussbaum in an election where he himself was no longer a candidate. Zacchiroli became a Debian Developer in 2001. After attending LinuxTag in 2004, he became more involved in the Debian community and the project itself.

Nnenna Nwakanma is a Nigerian FOSS activist, community organizer, development adviser . She worked for the United Nations for 15 years and she was the Interim Policy Director for the World Wide Web Foundation

Jim Jagielski (born March 11, 1961) is an American software engineer, who specializes in web, cloud and open source technologies.

Danese Cooper is an American programmer, computer scientist and advocate of open source software.

Guido van Rossum (born 31 January 1956) is a Dutch programmer best known as the creator of the Python programming language, for which he was the "Benevolent dictator for life" (BDFL) until he stepped down from the position in July 2018. He is currently a member of the Python Steering Council, however he has withdrawn from nominations for the 2020 Python Steering Council.

Joichi "Joi" Ito (伊藤 穰一, Itō Jōichi, born June 19, 1966) is a Japanese entrepreneur and venture capitalist. He is a former director of the MIT Media Lab, former professor of the practice of media arts and sciences at MIT, and a former visiting professor of practice at the Harvard Law School. Following the exposure of his personal and professional financial ties to sex offender and financier Jeffrey Epstein, Ito resigned from his roles at MIT, Harvard, the John D. and Catherine T. MacArthur Foundation, the Knight Foundation, PureTech Health, and The New York Times Company on September 7, 2019.

Russell "Russ" Nelson (born March 21, 1958) is an American computer programmer. He was a founding board member of the Open Source Initiative and briefly served as its president in 2005.

Andrew C. Oliver is a former board member of the Open Source Initiative, the founder of the Apache POI project, and former member of the Apache Software Foundation. Mr. Oliver was one of the developers of JBoss and an entrepreneur. Former JBoss Vice President of Corporate Strategy, Robert Bickel, credits Oliver as being a pioneer and face of JBoss to many of its customers. He is also a columnist for Infoworld, writing mainly on application development topics.

Anthony "Tony" I. Wasserman is an American computer scientist. He is a member of the board of directors of the Open Source Initiative, a Professor of the Practice in Software Management at Carnegie Mellon Silicon Valley, and the Executive Director of the CMU Center for Open Source Investigation.