OSI logo Site Index | Trademarks/Graphics | F.A.Q. | Search | "Open Source" Swag
 .:: Document Index ::.
*The Open Source Definition
*The Halloween Documents
*OSI Press Releases
*OSI Certification Mark
*OSI Approved Licenses
*Peru Answers MS F.U.D.
*OSI's History in connection to OSI Site History
*On 'shared source'
*Graphics and Trademarks

Policy Statements:
License Proliferation

 .:: OSD change log ::.
*1.0 identical to DFSG, except for addition of MPL and QPL to clause 10.
*1.1 added LGPL to clause 10.
*1.2 added public-domain to clause 10.
*1.3 retitled clause 10 and split off the license list, adding material on procedures.
*1.4 Now explicit about source code requirement for PD software.
*1.5 allow "reasonable reproduction cost" to meet GPL terms.
*1.6 Edited section 10; this material has moved.
*1.7 Section 10 replaced with new "Conformance" section.
*1.8 Section 1: replaced "may not" with "shall not".
*1.9 Section 9: removed rationale referring to the action of the GPL as Contaminat[ion].
* Section 10 added.
* Site History
 .:: Conformance to the OSD ::.

(This section is not part of the Open Source Definition.)

We think the Open Source Definition captures what the great majority of the software community originally meant, and still mean, by the term "Open Source". However, the term has become widely used and its meaning has lost some precision. The OSI Certified mark is OSI's way of certifying that the license under which the software is distributed conforms to the OSD; the generic term "Open Source" cannot provide that assurance, but we still encourage use of the term "Open Source" to mean conformance to the OSD. For information about the OSI Certified mark, and for a list of licenses that OSI has approved as conforming to the OSD, see the OSD Certification Mark page.

OSI Board of Directors

The Board of Directors of OSI consists of the following people (in no particular order, except the board president is listed first):

Michael Tiemann - President
Michael Tiemann is a true open source software pioneer. He made his first major open source contribution over a decade ago by writing the GNU C++ compiler, the first native-code C++ compiler and debugger. His early work created world-leading technologies and also informed the first open source business model. In 1989, Tiemann's technical expertise and entreprenurial spirit led him to co-found Cygnus Solutions, the first company to provide commercial support for open source software. During his ten years at Cygnus, Tiemann contributed in a number of roles from President to hacker, helping to lead the company from a fledgling start-up to an admired open source leader. Tiemann is now the CTO of Red Hat, a leading supplier of Linux and Open Source software. In addition to his responsibilities at Red Hat, Tiemann serves on a number of boards, including the Open Source Initiative, the Embedded Linux Consortium, the Jabber Technical Advisory Board, the GNOME Foundation Advisory Board, and the Board of Directors of ActiveState Tool Corp. Tiemann also provides financial support to organizations that further the goals of software freedom, including the Free Software Foundation, the Electronic Frontier Foundation, and the ArsDigita Foundation.

Danese Cooper - Secretary/Treasurer
Danese Cooper has a 15-year history in the software industry and has long been an advocate for transparent development methodologies. Danese worked for six years at Sun Microsystems, Inc. on the inception and growth of the various open source projects sponsored by Sun (including OpenOffice.org, java.net and blogs.sun.com). She was Sun's Chief Open Source Evangelist and founded Sun's Open Source Programs Office. She has unique experience implementing open source projects from within a large proprietary company. She joined the OSI Board in December 2001 and currently serves as Secretary & Treasurer. As of March 2005 Danese has joined Intel to advise on open source projects, investment and support. She speaks internationally on Open Source and Licensing issues.

Russell Nelson (PGP key)
Russell Nelson has been giving away his software since he started writing it in 1974. Prior to his GPLed Freemacs package, there weren't many people to distribute it to. He really came to the fore with his Packet Driver Collection, begun while a staff member at Clarkson University. A GPLed set of DOS Ethernet drivers, they arguably put GPL'ed software on more CPUs than anything prior to Linux. McDonalds uses them in their cash registers, so they're literally a world-wide phenomenon. Supporting free software full-time since 1991, Russell lives and works at home in Potsdam, NY, where he's trying to figure out how to share his 384Kbps connection with his neighbors wirelessly

Ken Coar (PGP key)
Ken Coar is a director and Vice President of the Apache Software Foundation. He has over two decades of experience with network software and applications, system administration, system programming, process analysis, technical support, and computer security. Ken knows more than a dozen programming languages, but mostly writes in Perl, PHP, and C. He has worked with the World-Wide Web since 1992, been involved with Apache since 1996, is a member of the Association for Computing Machinery, and is involved in the project to develop Internet RFCs for CGI. He is the author of 'Apache Server for Dummies' and co-author of 'Apache Server Unleashed' and 'Apache Cookbook'. He gives presentations around the world on Apache, open software, and distributed development. He somewhat spastically maintains a Web log, 'The Rodent's Burrow', at http://Ken.Coar.Org/burrow/.

Joichi Ito
Joichi Ito is Vice President of international and mobility for Technorati which indexes and monitors blogs and the Chairman of Six Apart Japan the weblog software company. He is on the board of Creative Commons, a non-profit organization which proposes a middle way to rights management, rather than the extremes of the pure public domain or the reservation of all rights. He is a board member of Internet Corporation For Assigned Names and Numbers (ICANN). He has created numerous Internet companies including PSINet Japan, Digital Garage and Infoseek Japan. In 1997 Time Magazine ranked him as a member of the CyberElite. In 2000 he was ranked among the "50 Stars of Asia" by Business Week and commended by the Japanese Ministry of Posts and Telecommunications for supporting the advancement of IT. In 2001 the World Economic Forum chose him as one of the 100 "Global Leaders of Tomorrow" for 2002. He has served and continues to serve on numerous Japanese central as well as local government committees and boards, advising the government on IT, privacy and computer security related issues. He is currently researching "The Sharing Economy" as a Doctor of Business Administration candidate at the Graduate School of International Corporate Strategy at Hitotsubashi University in Japan. He maintains a weblog where he regularly shares his thoughts with the online community.

Bruno Souza
A senior consultant at Summa Technologies, Bruno helps large companies to successful use and develop open source products and projects. Bruno is President of SouJava, Brazil's largest JUG, were he has led the group's Javali Project, an ambitious umbrella project that hosts 10 large open source projects. Javali, that includes a project to create an Open Source Java Runtime, is targeted to bring software development into Brazil's open source discussions. Bruno also co-authored the SouJava's Open Source Manifest that discussed Open Source and Open Standards as the way to correctly apply and succeed with Open Source in Brazil. The document was later used as basis for the open source initiatives of one of Brazil's largest development agency, and positivelly influenced the adoption of open source in Brazil. Bruno is a member of the Management Board of java.net, one of the largest open source hosting sites for Java developers, is an activist for the creation of open source, compatible implementation of Java Standards, and an active participant in several Java open source projects.

Chris DiBona
Chris DiBona is the Open Source Program Manager for Mountain View, Ca based Google, Inc. Before joining Google, Mr. DiBona was an editor/author for the popular online website slashdot.org. He co-edited the award winning essay compilation "Open Sources", writes for a great number of publications and speaks internationally on software development and digital rights issues.

Rishab Aiyer Ghosh
Rishab sees his role on the OSI board not in advocacy, but in promoting unbiased, evidence-based research on the socio-economic, legal and technical aspects of Free/Libre/Open Source Software (FLOSS) worldwide. He is Founding International and Managing Editor of First Monday, the most widely read peer-reviewed on-line journal of the Internet. He is Programme Leader at MERIT/International Institute of Infonomics at the University of Maastricht, Netherlands, where he moved from Delhi, India in 2000. He coordinated the European Union -funded FLOSS project a comprehensive study of users and developers, and is actively involved in initiatives related to government policy on open source in Europe and Asia. He conducts research funded by the EU, the Dutch government and the US National Science Foundation.

Sanjiva Weerawarana
Sanjiva Weerawarana received a Ph.D. in Computer Science from Purdue University in 1994. After 3 years at Purdue as visiting faculty, he joined IBM's T.J. Watson Research Center, NY, USA in 1997 where he was until recently a Research Staff Member in the Component Systems Group. He was elected to the IBM Academy in 2003. Sanjiva has been involved with open-source software both in IBM and in Apache for several years. He was elected a member of the Apache Software Foundation in 2003 where he is active in the Web services project. He is the founder of the Lanka Software Foundation (LSF), a non-profit foundation formed in Sri Lanka to promote open-source participation from Sri Lanka. He is currently the Chairman and Executive Director of LSF and is always looking for a few good developers to contribute to another project. He is now resident in Sri Lanka and telecommutes to his work in New York. He is also a visiting lecturer in the Computer Science Department of the University of Moratuwa where he teaches classes and helps drive student R&D; projects.

Eric S. Raymond - Founder & President Emeritus (PGP key)
Eric designed the language and marketing tactics around which the OSI was formed. He and Bruce Perens co-founded the organization. Eric lives in Malvern, Pennsylvania, USA.

You can send mail to the OSI board at osi at opensource.org.

Legal Counsel

Mark Radcliffe - General Counsel
Mark Radcliffe is a partner with DLA Piper and he is resident in the firm's Silicon Valley office. He focuses on representing clients in intellectual property and finance matters. He has extensive experience helping companies identify, protect and exploit their IP, and he has worked with U.S.-based clients and large international companies. In 1997, the National Law Journal named Mr. Radcliffe one of the 100 Most Influential Lawyers in the United States. In 1998, Harvard Law School designated him a "Distinguished Alumni." Mr. Radcliffe was named in the International Whos Who of e-Commerce Lawyers (2nd Edition). He has spoken at major conferences and industry presentations, including OSBC and OSCON, about open source and other intellectual property issues. He earned a B.S. in Chemistry, magna cum laude, from the University of Michigan and a J.D. from Harvard Law School in 1981.

Laura Majerus - Director of Legal Affairs
Laura Majerus is a partner in the intellectual property group of Fenwick & West LLP in Mountain View, California. She was a computer programmer before going to law school and has been counseling clients in the intellectual property area for over seventeen years. She specializes in the fields of patent law and open source licensing. She received her B.S. in computer science from the University of Iowa in 1979 and her M.S. in computer science from the University of Iowa in 1987. She received her J.D. with distinction from the University of Iowa in 1987. Ms. Majerus is admitted to practice in Iowa, the District of Columbia, and California. She has written and lectured widely in the intellectual property and open source areas.


Steve Mallett volunteers as the OSI "webmaster". He is the Founder and Managing Editor of Open Source Directory (OSDir.com) on the O'Reilly Network. The web design for opensource.org comes from the creative folks at OSWD.

Copyright © 2005 by the Open Source Initiative
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