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Cal Henderson

Cal Henderson

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@ Co-founder & CTO at Slack
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Education

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Birmingham City University

BSc, Software Engineering -
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Sharnbook Upper School

, -

Work Experience

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Slack

2009-04-01 - 2024-03-01

Slack

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Flickr

2003-12-01 - 2009-04-01

Flickr

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emap

2001-08-01 - 2004-02-01

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Skills

CMS JavaScript Flash APIs Mobile Applications jQuery PHP MySQL Web Applications HTML 5 Web Development Scalability Subversion User Experience Programming Software Development CSS HTML Web Services Ruby

Summary

I am the Co-founder & CTO at Slack, a platform for modern team communication, in San Francisco, California. Previously, Co-founder and VP Eng for Glitch, a web-based massively multiplayer game. Before that, the Director of Engineering for Flickr at Ludicorp and then Yahoo! Back in the UK, I was the technical director of Special Web Projects at Emap, a UK media company and co-created the creative community B3TA. In 2006 I wrote the best selling book Building Scalable Websites.

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