I build the operating systems that let SaaS companies scale in the AI era.

Product and operations executive, seven acquisitions deep, two decades in wealthtech and compliance technology. I write about the work weekly; new essays land here first, then Substack.

Portrait of Blane Warrene

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Recent posts

  • How I rebuilt Notion for a multi-AI workflow with Codex

    A useful multi-AI workflow needs one shared context layer, one operational system of record, and a small adapter for each AI tool. My Notion workspace had become the center of my AI workflow. It held notes, meeting transcripts, project material, research, and the context I wanted available to Claude and ChatGPT. It was capable, but…

  • The Claude Plugin for Product in M&A

    Correction, August 12, 2026. This post describes Product in Acquisitions OS as available to premium subscribers. That is no longer true. As of version 0.5.0 on August 7, 2026, the plugin is MIT licensed and free to everyone: you can install it, fork it, modify it, redistribute it, and resell it. The text below is…

  • The (M&A) Gap That Nobody Owns

    Most product acquisitions do not fail at the deal. They fail three weeks later, in a room nobody from the deal team attends. The deal closes on a Friday. The press release goes out, the all-hands happens, the leadership team takes the photo. Everyone is told the hard part is behind them. Three weeks later,…

  • The Fact Check is the Product for Competitive Briefs

    You can ask any capable model for a competitive brief on a company and have something back before your coffee cools. Six rivals, a few revenue figures, an analyst quote, a tidy summary. It reads well. It reads finished. That polish is the problem. TL;DR: the prompt is free to use at the bottom of…

  • Treat What You Know Like Software

    A year of garden planning was trapped in a doc and my head. So I shipped it as a fast, public, version-controlled site. Here is the method, and why it transfers to any knowledge worth keeping.

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New writing lands here first, then goes out via Substack. Conversations happen by appointment.