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Tantek Çelik

headshot of Tantek Çelikphoto by nuzz (cc-by-sa)

Dedicated to advancing open standards and simpler data formats for the Web, Tantek Çelik co-founded both GMPG and the growing open standards community after many years of experience contributing to, writing, and editing specifications at the World Wide Web Consortium (W3C) where he is currently an invited expert to the CSSWG and HTMLWG working on CSS3 and HTML5 respectively.

In 2003 Tantek collaborated with Eric Meyer and Matt Mullenweg in the invention of the XHTML Friends Network (XFN), which has since become the most popular decentralized social relationship format in the history of the Web with billions of relationships indexed and accessible via the Google Social Graph API. In 2004 Tantek proposed hCard for representing people and organizations, which has since similarly become the most popular profile format on the Web, supported by hundreds of millions of user profiles across dozens of social networks. During his years as Technorati's Chief Technologist, Tantek played an active role in refining and evangelizing these microformats, guiding them from wiki proposals to well-recognized open web formats endorsed and implemented by numerous individuals, small organizations, and major companies ranging from AOL to Yahoo.

Previously Tantek was a veteran representative to the W3C for Microsoft, where he also helped lead the development of the award-winning Internet Explorer 5 for Macintosh, the first web browser to bring widespread standards compliant HTML4 + CSS1 + PNG1 support to millions of users.

Tantek has Bachelor's and Master's degrees in Computer Science from Stanford University, as well as a strong background in human interface and user-centered design from his many years at Apple Computer. He shares his thoughts on and his Twitter:

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