Cal Henderson’s Email & Phone

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Cal Henderson

Co-founder & CTO @ Slack Technologies, Inc

Cal Henderson Contact Details

San Francisco Bay Area
Co-founder & CTO @ Slack Technologies, Inc
Director of Technology @ EMAP
Director of Engineering @ Yahoo! Inc
@ Sharnbook Upper School

I am the Co-founder & CTO at Slack, a new platform for 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 

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