JeongWoon "Matt" Yang

Career path.

1. OpenAI

   Member of Technical Staff

   Feb 2026 - Present
2. Apple

   Manager, iPhone Battery Cell/Pack MQE

   Dec 2024 - Feb 2026
3. Apple

   Manager, iPhone Battery Cell MQE

   Jun 2022 - Dec 2024
4. Apple

   Battery Manufacturing Quality Engineer

   Apr 2018 - Jun 2022
5. Newell Brands

   Quality Management System Engineer

   Aug 2017 - Apr 2018
6. Hyundai Powertech

   Senior Quality Engineer

   Apr 2016 - Jul 2017
7. Hyundai Powertech

   Quality Engineer

   Mar 2014 - Mar 2016