Build

Things I've built & shipped

01

Galen Health

Company

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 · 251★ · reached the HN front page

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.

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.