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Operating by John Brewton

John Brewton, Paul von Zielbauer, Jens Stark, Jonas Braadbaart, Juan Salas-Romer, Katie Barnes, Al Solano, Alex Randall Kittredge

Weekly Reporting on the History & Future of Operating Companies

Platform
Substack
PricingFreemiumPublishesDaily
Issues186SubscribersRead operatingbyjohnbrewton.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

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Authors

The writers behind this newsletter.

  • John Brewton

    WE ARE ALL BECOMING COMPANIES. I help you build yours. Built a company to +$50M and sold it. Built audience of +50,000 so far…Harvard economics nerd writing about the future of operating companies.

  • Paul von Zielbauer

    Paul is a Pulitzer-nominated former New York Times investigative journalist and lifelong athlete. He helps you build personal strength after 50 and exposes longevity & supplement scams through original reporting & writing.

  • Jens Stark

    30,000+ hours of experience in post-sales environments. Subscribe for insights into monetising and engaging your customer base.

  • Jonas Braadbaart

    Helping business leaders become better AI operators. AI architect and AI agency owner with 10+ years of experience designing, building and delivering AI solutions. Currently building an AI film making studio: https://www.project-skia.com/

  • Juan Salas-Romer

    4x Founder, $35M exits. Coaching 100+ subs. I help people and organizations navigate AI-driven change.

  • Katie Barnes

    Ops guidance for founders tired of duct-taping their way to growth. One weekly clarity drop to help you scale smarter. (with a side-eye \ud83d\udc40 and a system.)

  • Al Solano

    Helping college educators and their institutions succeed. By Dr. Al Solano

  • Alex Randall Kittredge

    I help technical CEOs go from 0 to 10, translating complex organizational challenges into strategic clarity, grounded in data, history, and human insight. Providing portfolio career strategy for a post-AI economy.

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