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People / Jonah Kallenbach
JK
Career profile

Jonah Kallenbach

Member of Technical Staff @ Anthropic

San Francisco, California, United States

Career path.

  1. Anthropic

    Member of Technical Staff

    Dec 2025 - Present
  2. Jonah Kallenbach LLC

    Consultant

    Nov 2024 - Dec 2025
  3. Reverie Labs

    Co-founder & CEO

    Apr 2017 - Aug 2024
  4. DE Shaw Research

    Senior Intern

    May 2016 - Aug 2016
  5. Harvard University

    Teaching Fellow

    Aug 2015 - May 2016
  6. Harvard University

    Research Assistant

    May 2015 - Aug 2015
  7. Google

    Software Engineering Intern

    Jun 2014 - Aug 2014
  8. Jane Street

    Assistant Trader

    Jan 2014 - Jan 2014
  9. Research Science Institute

    Counselor

    Jun 2013 - Aug 2013
  10. Harvard Center for Biomedical Informatics

    Research Intern

    Jun 2012 - Dec 2013
  11. Fox Chase Cancer Center

    Research Assistant

    Sep 2009 - Apr 2012