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General Information


University of Central England, BS 2002
Software Engineering
Sharnbook Upper School 1999

Current Companies

Co-founder, VP Engineering

Former Companies

Head of Engineering
Director of Engineering
Director of Web Development
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Web Presences


Photo Credit

Cal Henderson

Cal Henderson is the head of engineering for Flickr, in San Francisco, California. In April, 2009, he was reported to be starting a new stealth social gaming company with Flickr founder Stewart Butterfield.

Originally from London, England, he currently works at Yahoo! Inc, as the head of engineering for Flickr. Before Flickr, he was the technical director of Special Web Projects at emap, a UK media company. By night he works for a whole slew of web sites and communitites, including the creative community B3TA and his personal site, iamcal. In his spare time, he writes windows software, develops web publishing tools, and writes occasional articles about web application development and security.

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