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People / Dan Hellfeld
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Career profile

Dan Hellfeld

Staff Research Engineer @ Apple

San Diego, California, United States

Career path.

  1. Apple

    Staff ML Engineer and Manager

    Oct 2025 - Present
  2. Apple

    Staff Research Engineer and Manager

    Oct 2025 - Present
  3. Apple

    Senior ML Engineer and Manager

    Sep 2022 - Oct 2025
  4. Apple

    Senior Research Engineer and Manager

    Sep 2022 - Oct 2025
  5. Lawrence Berkeley National Laboratory

    Research Scientist

    Jan 2022 - Sep 2022
  6. Lawrence Berkeley National Laboratory

    Senior Scientific Engineer

    Aug 2019 - Dec 2021
  7. Nuclear Science and Security Consortium

    Research Fellow

    Nov 2014 - Jul 2019
  8. Nuclear Science and Security Consortium

    Research Fellow

    Nov 2014 - Jul 2019