Post-training loops, agentic execution, red-teaming, meta-prompting self-improvement, and the eval regimes that decide what ships to a billion devices.

Tool retrieval and the synthetic-data loops that became Apple Intelligence. Forecasting that smooths every iOS update; predictive display control that fires on every Always-On Display screen lock.

Privacy-preserving on-device ML that runs every time an iPhone charges. Background scheduling that unlocked ProRes video on iPhone 13 Pro and Pro Max.

Unity editor tools for titles with 2M+ DAU.

Four labs in two years: legal-AI for criminal sentencing (adopted by HKU's Law & Technology Center), VR cities for navigation cognition, persistent-memory systems, Bayesian sleep models.

Monitoring infra and an LSTM prototype for predictive alerting.

ARIMAX over three years of grid data. Cable-fault anomaly detection across 14 districts. Dashboards 2,400 field engineers actually opened.