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Idler

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Reinforcement learning environments.

S25·Summer 2025·B2B·San Francisco, CA, USA·Team of 13·Founded 2025

About

Idler builds reinforcement learning environments that teach AI models to code at expert human levels. We create training environments based on real-world coding scenarios that prepare models for the complex challenges they'll face in production.

Founders

  • Ivan Chub· Founder

    Idler. Previously cofounder of Dark Forest, 0xPARC, Zupass, Hack Lodge; also previously at Facebook, Dynasty, AppSheet.

  • Nalu Concepcion· Founder

    currently: building RL environments. formerly: orchestrated 500+ person parties, monthly @ notsominimoments · eng @ msft · fellow @ notable capital · product @ poshmark · ds @ paymongo cornell computer science + operations research & information engineering. DM's especially open to book / movie / song recs.

  • Tony Goss· Founder

    Dark Forest, Zupass, US Census Bureau. Pro ultimate player, state champion coach, and Dominion nerd

Change history · none recorded

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