Pier Madsen

I lead AI strategy, implementation, and adoption across a portfolio of companies. I write about AI adoption, product, and leadership, and about what it takes to make AI useful inside a real business.

November 2025

  1. Note
    From AI experiments to AI products

    A new job where AI is the whole job, and the first thing I've had

February 2025

  1. Note
    My first RAG experiment

    After a year of hand-feeding custom GPTs, I finally tried

December 2024

  1. Note
    How I'm putting AI to work as a product manager

    Managing six people and maintaining custom GPTs turned out to be

September 2024

  1. Note
    Finally read Co-Intelligence

    Mollick's four rules for working with AI, checked against a year

June 2024

  1. Note
    Andrew Ng's agentic workflow patterns

    Ng's four design patterns describe AI a step past where I am, and

May 2024

  1. Note
    Staying accountable for AI-assisted work

    What I expect from my team, and from myself, now that a lot of our first drafts come from AI.

April 2024

  1. Note
    Lenny on how AI will impact product management

    My reaction to Lenny Rachitsky's take that AI will come for the

March 2024

  1. Note
    Reading Marty Cagan's Transformed

    Cagan's new book on the product operating model, read from inside

January 2024

  1. Note
    How to get buy-in from stakeholders with competing priorities

    What I've learned about winning resources for a product when every decision-maker is measured on something different.

October 2023

  1. Note
    What taking a product from zero to one taught me

    A three-month reflection on launching a recruiting platform across 26 offices.

August 2023

  1. Note
    A Lenny’s Podcast episode on what makes a good PM

    Why a Lenny’s Podcast conversation about product management

July 2023

  1. Note
    The Questions I Ask Before Writing a PRD

    The questions I use to clarify a product problem, test assumptions, and prepare a PRD before writing requirements.