For founders past product-market fit

The complete kit for founders whose company has outgrown early-stage advice

Most founder advice, and most AI advice, was written for the search for product-market fit. You're past that. The Breakout Stack is built for the company you run now: one real breakthrough per quarter.

Get The Breakout Stack for $19/month Free skills available today

By Roland Siebelink, who grew three startups from 10 to 1,000 people, three years each.

Everything in the kit

Six formats, so you can read, practice, watch or ask, whichever fits your week.

The book
The full playbook, start to finish
The workbook
Exercises to apply it to your company
Online course
Short video lessons, one per chapter
AI skills
Install into Claude
Podcast episodes
Founders who did it, in their words
Newsletter
One practical idea a week

Who it's for

Post-PMF founders with a growing team, roughly $500K ARR and up.

Get The Breakout Stack for $19/month