Cal Henderson
Cal co-founded Slack and led its engineering, research and design teams as CTO. He previously built and led engineering at Flickr, and now advises and invests in software founders.
Explore Cal Henderson’s experience ↗Slack experience
The investor experience connected to Slack.
Slack is part of Cal Henderson’s operating background. As a co-founder and former CTO, he led its engineering, research and design teams from the company’s beginnings through its public listing and acquisition by Salesforce.
For founders comparing technical investors, this is experience of building a software company and leading its technology organisation over multiple stages. Cal’s profile also covers his earlier engineering leadership at Flickr.
People with Slack experience
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Sources and context
This is an independent guide to the people in our directory, not an official Slack page or a complete list of its team.