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David Heinemeier Hansson
Person profile

David Heinemeier Hansson

Creator of Ruby on Rails and co-founder and CTO of 37signals, building an opinionated open-source Linux desktop for developers and AI agents.

Founded
Omarchy, 37signals
Backed
WorkFeed, JumpStory, TURIS +2 more
Education
Copenhagen Business School

Investments 5

Companies backed, as recorded by Dealroom. Highest company valuations first.

WorkFeed
$9.9M valuation (2022)
JumpStory
1 recorded funding round · Latest in 2022
$6M valuation (2022)
TURIS
Ziik
Service Lovers
1 recorded funding round · Latest in 2022

Companies founded

Omarchy
Founder · 2025 – present
37signals
Co-Founder · CTO · 1999 – present

Currently

Active roles, board seats and partnerships.

Education

Copenhagen Business School

Talks 1

Interviews and talks Dealroom has written up, with the key moments.

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