BinBin He is Co-Founder at smol machines, a Y Combinator-backed developer tools company building portable, lightweight virtual machines for software distribution.

BinBin studied at Illinois Institute of Technology and previously worked as a software engineer focused on serverless compute.

BinBin co-founded smol machines with Fu Qiao in 2026, joining Y Combinator's Spring 2026 batch.

Smol machines enables developers to ship lightweight virtual machines with software, solving the problem of environment inconsistencies across systems.

The company's smolvm tool features sub-second cold starts, hardware-level isolation, and portable executables that boot in under 200ms, targeting AI coding agents and automated sandboxing use cases.