Portfolio · 2026

I build AI systems,
and photograph
the world.

I'm interested in how AI systems plan, where they fail, and how to make them reliable — and a little more human.

Hong Kong · Computer Science · GitHub

A retrieval method (SAER) that fixes the real reason large language models collapse on multi-step tasks — and the eval harness that proves it.

A medical imaging project that became a lesson in why you never trust a loss curve until you've looked at the data with your own eyes.

The coordination layer that visually impaired runners and volunteer guides needed simply didn't exist — so I built the backend for it.

Selected work — engineering & projects