
Columbia Energy Exchange Building Energy Policy on Evidence
Nov 11, 2025
John Arnold, co-founder of Arnold Ventures and Grid United, shares his journey from energy trading at Enron to philanthropy focused on evidence-based policy. He discusses the challenges elected officials face in navigating complex energy issues amidst partisanship. John highlights the importance of reliable data to inform energy policies and the need for bipartisan solutions to infrastructure hurdles. He also considers the implications of AI on energy demands and emphasizes the urgency of permitting reforms to support renewable energy projects.
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Early Trading Rise At Enron
- John Arnold started at Enron at age 21 and rose quickly into trading roles suited to his skills.
- By his mid-20s he became head natural gas trader and learned from both the company's rapid rise and dramatic collapse.
Why 1990s Gas Was Highly Tradable
- 1990s natural gas was an ideal tradable commodity due to domestic focus, storage cycles, and predictable seasonal balancing.
- Those structural features created frequent pricing corrections and exploitable inefficiencies for traders.
Trading Culture And The Velvet Elvis
- Trading culture in Houston included young traders socializing after work at the Velvet Elvis bar.
- The bar rebranded to the Velvet Melvin after a cease-and-desist from Elvis's estate, capturing that era's camaraderie.




