How to Engineer Real Product Market Fit

CodeRabbit
3,895 views June 16, 2026

In this episode of The Merge, we sit down with Michael Grinich, founder and CEO of WorkOS. Checkout Coderabbit: https://coderabbit.link/themerge Michael shares one of the best explanations of Product-Market Fit we’ve heard: it’s not the finish line — it’s more like getting the Mario Star. Once you have it, you become untouchable enough to survive your own biggest mistakes… but only if you keep innovating. We also dive into: - How to actually engineer PMF instead of just hoping for it - Crossing the enterprise chasm that kills most startups - Why product engineers are outperforming traditional teams - The new authentication and permissions challenges for AI agents - His optimistic (and very practical) view on the future of software development If you're building a startup or scaling a product in the AI era, this conversation is full of actionable insights. Connect with Michael: X/Twitter: https://x.com/grinich WorkOS: https://workos.com Timestamps: 00:00 - Intro 02:45 - The Mario Star theory of Product-Market Fit 08:30 - How to engineer PMF instead of chasing it 15:10 - Crossing the enterprise chasm 22:40 - Product engineers vs traditional teams 31:00 - Building for AI agents & the new auth problem 42:15 - Michael’s take on the future of software development

Keyboard shortcuts

On. Switch them off if they collide with your assistive tools; ? still opens this sheet.

Go to

Press g then the letter.

  • gh Latest
  • gs Sources
  • gm Media
  • gv Videos
  • gp Podcasts
  • gc Calendar
  • gd Decoder
  • gz Dataviz
  • ga Datasets
  • gb Blog
  • gk Markets
  • gj Careers
  • gn Prompt Notebook

On this page

  • / Focus search, where there is one
  • t Back to top
  • ? This list
  • Esc Close