Cal Henderson

Cal Henderson

Headliner

Built Slack from zero to $27.7B | Now advising the next wave of software founders

🇺🇸United StatesSpeaking since 20164 talks · 2 events · 2 countries1 with video

Has stood on these stages

About

Cal Henderson built Slack from a side project into a $27. 7 billion company.

As co-founder and CTO for 15 years, he led the engineering, research, and design teams through IPO on the NYSE and Salesforce's acquisition in 2021. Cal now advises and invests in early-stage software companies, bringing hard-won lessons from scaling one of the decade's defining workplace tools.

This profile was compiled from public conference data. Is this you? Make this page yours.

4 talks, 2016 to 2026

This is only what we could find published. Cal has almost certainly done more.

Cal Henderson at Slush 2026

Slush🇫🇮 HelsinkiNov 2026

Cal Henderson at Slush 2024

Slush 2024🇫🇮 HelsinkiNov 2024

Cal Henderson at Dmexco 2016

Dmexco🇩🇪 Cologne2016

What events has Cal spoken at?

3 events · 5 appearances · 2016 to 2026 · 2 countries

Is this you?

Claim this profile to edit your bio, add talks, and get verified.

Checking status...

Free. We don't charge speakers to be listed.

Know a talk we're missing?

At a Glance

4
Talks
2
Events
10+
Years Speaking

Get in Touch

Save for Later

Explore related directories

Conferences, directories, and industries connected to Cal Henderson

Cal Henderson