Operating by John Brewton | Substack

I Turned 22 Hours of Founder Office Hour Video Recordings Into a Learning Library with Claude Cowork, Opus 5, Zoom and Google Drive Connectors

How I used Claude Cowork, Opus 5, four or five prompts, and agentic workflows to complete a multi-layer project that would have consumed most of my day—while I kept working on everything else.

READ THE LATEST

Most Popular

0 to 55,000 - The First 90 Days Playbook - What I’d Do Differently Knowing What I Know Now

Feb 2 • John Brewton

Everything You Need to Build Your Creator Business & Upskill Your Career in 2026: A Massive Thank You Resource Library From Operating by…

Feb 7 • John Brewton

How I Built a $200,000 Newsletter Business From a Substack Nobody Was Reading

Jun 23 • John Brewton

Operating with Claude

Apr 20 • John Brewton

Thank you for reading! Become a subscriber to start reading more from the only newsletter you need to become an elite operator.

Operating Stories

RIMOWA’s Aluminum Bet: When the Product IS the Marketing - OPERATING STORIES · No. 14 · June, 10 2026

How a 1950 engineering decision became a €640 million acquisition, a billion-euro business, and the definitive case study in artifact design.

Jun 10 • John Brewton

Why Enterprise AI Pilots Stall, and the 51 That Didn’t

Stanford studied 51 enterprise AI deployments that succeeded. The bottleneck was the organization, not the models.

Jun 7 • John Brewton

Operating Stories: The Star Acquisition Company

How the Los Angeles Lakers turned 80 years of one operating decision into a $10 billion company

May 7 • John Brewton

Operating Stories: Claude and the three decisions that built a $380 billion company

Anthropic's playbook traces three centuries of operating precedent. The Traitorous Eight. Andy Grove. John D. Rockefeller.

Apr 29 • John Brewton

Operating Stories: The $20 Billion Swing - How Uber turned losses into a cash machine.

Operating Stories. The Dara Khosrowshahi era, 2017 through Q1 2026.

Apr 15 • John Brewton

Oper(AI)ting by John Brewton

I Turned 22 Hours of Founder Office Hour Video Recordings Into a Learning Library with Claude Cowork, Opus 5, Zoom and Google Drive…

How I used Claude Cowork, Opus 5, four or five prompts, and agentic workflows to complete a multi-layer project that would have consumed most of my…

9 hrs ago • John Brewton

The Infinite Value of a Meeting Transcript for the AI-Fluent Operator: How to 100X the Value of Meeting Transcripts in Your Workflows and…

Download the Meeting Transcript Operating System Workbook, load it into Claude or Chat and build your new custom Meeting OS and Agentic Team

Aug 18 • John Brewton

How I built a five-member Excel team in Claude and how you can too.

The interactive workbook to build your Excel team and how to build any workbook to build any type of agentic team your work requires

Aug 5 • John Brewton

Stop Arguing (or Caring) About AI Writing About Slop or Not Slop

The Interest Graph Operating Workbook for how to move beyond irrelevant debates and start driving real growth and results for your ideas, content and…

Jul 26 • John Brewton

How to Produce World-Class Research with Perplexity Computer & Claude -> Fable 5

The full methodology and workflow behind a 22-page, 12-chart research report: Perplexity Computer for data collection and essential research, then Opus…

Jul 19 • John Brewton

We Are All Becoming Companies

We Are All Becoming Companies.

Why the founder-led brand is becoming the human interface to the company—and why you should define yours before you build the audience + BONUS…

Aug 10 • John Brewton

A Conversation About The Importance of Building Real Human Relationships & Friendships in the Creator Economy w/ Special Guest and Great…

A recording from John Brewton's live video

Aug 7 • John Brewton and Cory Blumenfeld

59:20

I Built Too Much. Here’s What I’m Cutting, and What I’m Scaling Instead

What +100 coaching clients, 400 coaching hours, standing up a community, two cohorts, and a year of building with AI taught me about creating a simpler…

Aug 7 • John Brewton

Why We Business Builders, Writers and Creators Should Want Substack To Become the Next Giant Social Media Platform

Creators are mistaking increased competition for platform decline. The answer is not a smaller Substack. It's a much larger, growing social media…

Aug 2 • John Brewton

The Five Founder Problems I Discovered Coaching +100 Substack Founders in 2026

The Five Problems That Surfaced While Building a $200K Newsletter Business and How to Solve Them

Jul 10 • John Brewton

Quiet Building > Quiet Quitting

The Quiet Builders Are Coming. Great Companies Will Build Around Them.

Ten ways employers can support entrepreneurial employees, benefit from their growth, and keep the relationship long after the job ends.

Aug 15 • John Brewton

Quiet Quitting or Quiet Building? Our Changing Relationship With Professional Ambition

How to Quietly Build, not Quietly Quit, while the day job still pays, without betraying your employer, your family, your health, or your financial…

Aug 4 • John Brewton

Companies Don’t Want Employees. Employees Don’t Want to Work for Companies.

Jul 8 • John Brewton

Thank you for reading! Become a subscriber to start reading more from the only newsletter you need to become an elite operator.

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts