Massive Signals

The Energy Inflection Point with Cody Simms of MCJ

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In this episode, we sit down with Cody Simms, Managing Partner of MCJ Collective, an early-stage venture fund with over $115 million under management focused on climate and energy technology. Cody shares his journey from dot-com product manager to climate investor, how a podcast became the unlikely foundation for a venture fund, and why the energy transition is accelerating regardless of what’s happening in Washington. We dive deep into MCJ’s bets across fission, fusion, and software, the one founder behavior that predicts success every time, and why the climate tech conversation has quietly shifted from carbon offsets to national energy resilience.



In this episode:

 

  • Climate Gets a Rebrand: ESG is out — energy resilience, grid reliability, and AI power demand are the new tailwinds.
  • The Nuclear Moment: The technology was never the problem; project management was.
  • Fusion Crosses the Line: Q > 1 turned fusion from a theory into an investable thesis.
  • Small Fund, Big Round: Why ownership percentage isn’t the whole story in portfolio construction.
  • The Data Center Pivot Problem: Too many companies are chasing data center demand the same way they chased crypto.
  • Bet on the Founder First: Experienced operators move faster, talk straighter, and navigate complexity without hand-holding.



    • Connect more with Cody Simms | MCJ

     

    Website: https://mcj.vc 

    LinkedIn: https://www.linkedin.com/in/codysimms 

    Podcast: https://mcj.vc/media/podcast 



    Connect more with Massive Signals

     

    Website: https://massive.vc/ 

    LinkedIn: https://www.linkedin.com/in/arinewman 

    LinkedIn: https://www.linkedin.com/in/davidgmandell

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