Rheostat

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Co-founder, CTO

Sami Haddad

Wrote the first evaluation engine on a train from Porto to Lisbon. Still reviews every change to it.

Sami built feature flag infrastructure at two unicorns before co-founding Rheostat. He wrote the first version of the edge evaluation engine and still reviews every change that touches it.

How Sami works

Mornings are for deep work, afternoons for people. Every decision gets written down before it gets made, and every write-up gets a reply within a day.

Outside work

Usually somewhere without a signal: on a trail, on a bike or in the kitchen. Ask about the sourdough.

More of the team

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