FounderOS
Build the audience first.The product comes next.
Confabulator plans an app. FounderOS plans the venture. It is a step-by-step coach that takes you from "who am I even building for?" to selling something small to people who already want it.
Vibecoding gets you a product. This gets you customers.
So you can build. Now what?
Build School teaches you to build. You can ship an app in a weekend now.
Once you have done the Claude Code course, building is the easy part. The hard part is figuring out what is worth building, and who will pay for it.
FounderOS is the missing half.
How it works
It flips the usual order. You start with an audience, not an idea.
Choose an audience you can reach and actually want to help.
The forums, subreddits, newsletters and Slack groups they already read.
Read what they write. Save the quotes. Notice the problems that keep coming up, in their words.
Guides, checklists, tiny tools, given away. FounderOS calls these posts. They earn trust before you ask anyone for money.
By now the product falls out of your research. You know who it is for and how they describe the problem.
Stages are gated. Complete one, Jax reviews it, and the next stage unlocks once it passes.
Why bother, if AI can build anything?
Building is getting cheap. AI writes more of the code every month.
What stays hard is understanding a market well enough to know what to build and who will pay for it. That part does not get automated away.
Worried AI will make you obsolete? This is the skill that lasts. It also repeats. Once you can find a market and sell into it, you can do it again, and again, and use your vibecoding to build each product.
The muscle you are building is the confidence that you can create a revenue stream when you want one.
What you get
A roadmap that takes you through the journey
A system known to work if you stick to it. One well thought out, linear path, with Jax, an AI coach, to lead you through it.
A Chrome extension for research
Highlight what someone wrote in a forum or thread and save it, tagged, straight into your venture.
The people at Vibecode Lisboa
Office hours, cowork days, accountability and a community of builders doing the same work.
Sean's expertise
Sean has over 30 years of tech and entrepreneurship experience, and has helped many companies figure out their product, sales and marketing.
Built on
FounderOS boils a lot of reading down into one path: lean startup, customer development, lifecycle marketing and marketing automation. As far as we know, nothing else puts all of it in one place. Here is everything it draws on:
Books
- 80/20 Sales and Marketing, Perry Marshall
- Advanced Google AdWords (3rd edition), Brad Geddes
- Angel, Jason Calacanis
- Anything You Want, Derek Sivers
- Building a StoryBrand, Donald Miller
- Building Successful Partner Channels in the software industry, Hans Peter Bech
- Business Model Generation, Alexander Osterwalder and Yves Pigneur
- Expert Secrets (2020 edition), Russell Brunson
- How To Fix Your Funnel, Ryan Chapman
- How to Write Copy That Sells, Ray Edwards
- Influence, Robert Cialdini
- Invisible Selling Machine, Ryan Deiss
- Lean Analytics, Alistair Croll and Benjamin Yoskovitz
- Lean Customer Development, Cindy Alvarez
- Made to Stick, Chip Heath and Dan Heath
- Pitching Hacks, Babak Nivi and Naval Ravikant (Venture Hacks)
- Predictable Revenue, Aaron Ross and Marylou Tyler
- Running Lean, Ash Maurya
- Running Lean (1st edition), Ash Maurya
- SPIN Selling, Neil Rackham
- Sprint, Jake Knapp, John Zeratsky and Braden Kowitz
- The Innovator's Dilemma, Clayton Christensen
- The Innovator's Solution, Clayton Christensen and Michael Raynor
- The Lean Entrepreneur, Brant Cooper and Patrick Vlaskovits
- The Mom Test, Rob Fitzpatrick
- The Startup Owner's Manual, Steve Blank and Bob Dorf
- The Ultimate Startup Guide to Outbound Sales, Steli Efti (Close)
- Traction: A Startup Guide to Getting Customers, Gabriel Weinberg and Justin Mares
- Working Backwards, Colin Bryar and Bill Carr
- Zero to One, Peter Thiel and Blake Masters
Courses
- Automation Clinic, Jermaine Griggs
- Getting Started with Claude Code, Vibecode Lisboa (Sean Tierney)
- Optimizely Academy, Optimizely
- Product Direction (free companion course), Nacho Bassino
- Reforge growth programs, Reforge
Articles and talks
- 12 things I learned from pitching VCs this past week, Sean Tierney
- A Guide to Seed Fundraising, Geoff Ralston (Y Combinator)
- B2B Sales Process Automation: Leviathan Unveiled, Sean Tierney (Pagely)
- Grid7, Sean Tierney
- How great leaders inspire action, Simon Sinek
- How Pagely is Using Adaptive Video to Deliver Consultative Sales at Scale, Sean Tierney (Pagely)
- How to Pitch Your Company, Michael Seibel (Y Combinator)
- How to Raise Money, Paul Graham
- Jobs to Be Done theory, Christensen Institute
- jobstobedone.org, Bob Moesta and Chris Spiek
- Know Your Customers' Jobs to Be Done, Clayton Christensen, Taddy Hall, Karen Dillon and David Duncan
- Lateral thinking and Flintstoning your way around technical problems, Sean Tierney
- Love the problem, not your solution, Ash Maurya
- P.A.S.T.O.R. Masterclass, Ray Edwards
- Perfection By Subtraction - The Minimum Feature Set, Steve Blank
- SPIN Selling, a book summary, Readingraphics
- Startup Metrics for Pirates: AARRR!, Dave McClure (500 Startups)
- The bowling pin strategy, Chris Dixon
- The Four Key Steps Behind My Product Launch Process, Jeff Walker
- The perils of bad strategy (McKinsey Quarterly), Richard Rumelt
- The Science of Persuasion: Seven Principles of Persuasion, Robert Cialdini
- Using Product/Market Fit to Drive Sustainable Growth, Sean Ellis
- What is lifecycle marketing?, Keap (formerly Infusionsoft)
- What is The Epiphany Bridge?, Russell Brunson
Tools
- Behalf.bot, Sean Tierney
- GetProspect
- Hunter, Hunter.io
- Resend
Videos
- The Sliding Doors exercise, Nomad Prep Academy
Questions
How is this different from Confabulator?
Do I need an idea first?
Do I need to know how to code?
Is it free?
Find the market first.
Then build the thing it is asking for.