Idler

Idler

Summer 2025

Reinforcement learning environments.

Reinforcement Learning

About Company

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.

Active Founders

Ivan Chub

Ivan Chub

Founder

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

Nalu Concepcion

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

Tony Goss

Founder

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

Company Facts

LocationSan Francisco, CA, USA
Team Size14
Founded2025
StatusActive