The Consortium is jointly administered by the MIT Computer Science and Artificial Intelligence Laboratory (CSAIL, located in Stata Center^[5]) in the USA, the European Research Consortium for Informatics and Mathematics (ERCIM) (in Sophia Antipolis, France), and Keio University (in Japan). The W3C also has World Offices in sixteen regions around the world. The W3C Offices work with their regional Web communities to promote W3C technologies in local languages, broaden W3C's geographical base, and encourage international participation in W3C Activities.

W3C has a relatively small staff team, around 50-60 worldwide recently (as of 2010).^[6] The CEO of W3C as of Dec. 2010 is Jeffrey Jaffe,^[7] former CTO of Novell. The majority of standardization work is done by external experts in W3C's various working groups.