ALEX
WU.
I build systems that know when to refuse.
Any system can be made to answer. The rarer one knows its own edges: it abstains when unsure, and says no when no is the honest reply. Calibration over confidence. That is the discipline.
Crucible1st Prize · Self Improving Agents Hack
Two LLM agents play Split or Steal, and the eval records when they betray each other. Built with Evan Correa at Datadog, NYC.
Lacuna3rd Place · Mistral Worldwide Hackathon NYC
A cross-lingual bias audit built at the hackathon, plus a metric suite that scores 6 embedding models on catching concepts one language lacks.
PsychohistoryML
Survival analysis of historical institutions across 864 polities. A missing-data audit showed the headline result was a data-coverage artifact, so it was corrected.
Sixth BoroughCultural Impact Winner · NVIDIA Spark Hack
Real-time 3D of 1,082,831 NYC buildings from open footprint data. The skyline you are flying through here is its descendant.
Morel Compass
Personal project. On-device AI that refuses rather than confidently confirm a poisonous mushroom, backed by a deterministic safety gate.
Majikari
A Japanese resale-market deal detector. Ingests and classifies over 500,000 listings, runs unattended on a daily schedule, and watches itself well enough to tell a real zero from a blocked read.