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Jonah Greenberger

Early(ish)-stage investor / Kleiner-Perkins scout at Kleiner Perkins

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Overview

Greenberger holds a BS in Mechanical Engineering and an MS in Energy Systems from Stanford University [10][8], and participated in Y Combinator's W15 batch [9]. Greenberger served as Director of Renewable Power at Chevron from April 2009 to April 2014 [7], then co-founded Bright Inc, serving as CEO and Co-Founder from April 2014 to July 2025 [5], while joining its board in 2014 [4]. Since 2020, Greenberger has worked as an early(ish)-stage investor and Kleiner Perkins scout at Kleiner Perkins [6]. As of July 2026, Greenberger is co-founder of a stealth AI startup [3], while continuing to support Bright and invest in founders [2].

Profile introduction
Source excerptLinkedIn [2]

Building something new around better ways for people to work together, while continuing to support Bright and invest in founders I learn from.

Career history

  1. Co-FounderJul 2026 to presentStealth AI Startup
  2. Board Member2014 to presentBright Inc
  3. CEO and Co-FounderApr 2014 to Jul 2025Bright Inc
  4. Early(ish)-stage investor / Kleiner-Perkins scout2020 to presentKleiner Perkins
  5. Director - Renewable PowerApr 2009 to Apr 2014Chevron
  6. Board MemberBright
  7. CEO and Co-FounderBright

Education

  1. MS, Energy Systems - Mechanical EngineeringStanford University
  2. W15 Batch2015 - 2015Y Combinator
  3. BS, Mechanical EngineeringStanford University

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