John Pentakalos

Career path.

1. Glean

   Applied Scientist

   Jul 2025 - Present
2. Glean

   Data Scientist

   Nov 2023 - Jul 2025
3. Robinhood

   Senior Data Scientist, Analytics

   Oct 2021 - Oct 2023
4. Microsoft

   Data and Applied Scientist II, Xbox

   Aug 2019 - Sep 2021