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FounderRestate · Berlin, Germany

Stephan Ewen

Co-founder & CEO

Harness engineering

Co-founder and CEO of Restate, a durable execution runtime for workflows and agents; previously co-created Apache Flink and co-founded Data Artisans.

GitHub

Also at

Restate: Till Rohrmann, Igal Shilman

Sources

  1. bizety.com/2025/01/26/cool-startup-restate
  2. deutsche-startups.de
  3. github.com/StephanEwen
  4. restate.dev

Verified Oct 29, 2026