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Build

Things I've built & shipped

01

Galen Health

Building

2025– · Cofounder & CEO · San Francisco

Building a virtual cell — a causal model of human biology to study disease from first principles. Cancer is the first proving ground.

02

Rosalind

Shipped

2026 · Rust · #1 on Hacker News

A genomics engine where memory is a verifiable contract — whole-genome pipelines on a laptop, in RAM you declare up front, with a reproducible receipt. Someone else posted it to Hacker News, where it trended to #1.

03

rewind

Shipped

2026 · Python · Git for long stochastic runs

Record, replay, and branch any seeded multi-million-step run in O(√T) memory — and verify bit-exact replay.

04

tinyzkp

Shipped

Rust · sublinear-space ZK · public REST API

A sublinear-space zero-knowledge prover with a public REST API and pricing — proving long traces in a fraction of the usual memory.