This page may contain stale information. Last updated: 2026-06-12
Overview
Yifan Yang is a Senior Research SDE at Microsoft Research Asia and lead author of skillopt (arXiv:2605.23904).
SkillOpt Contributions
Quoted in VentureBeat (June 2026) on skill optimization failure modes:
- Ungated rewrites can regress performance (GPT-5.5 SpreadsheetBench: 41.8 → 41.1)
- Core problem: teams cannot guarantee edits are improvements without validation gates