For angel investors
Once you see proof, the pitch deck loses its power over you.
Great founders are persuasive. Great decks make the future feel inevitable. Momentum, market size and early traction can produce a convincing picture before the business has proved that it works.
More Scars Than Trophies teaches you to see through that picture without dismissing the opportunity behind it.
The question you bring into the room changes.
You stop asking
Do I believe in this founder?
You start asking
What has the company proved, what remains a story and which evidence should govern my next investment?
What changes after reading this
That shift changes how you evaluate opportunities, structure milestones, make follow-on decisions and support founders. You begin to see when capital accelerates a working system and when it merely purchases more time for an assumption.
Invest before certainty, but never without understanding which uncertainty you are funding. Separate evidence from confidence, external behaviour from enthusiasm and strategic value from startup theatre.
You may still take the risk. You will understand the risk you are actually taking.
Where diligence goes wrong
Weak decisions rarely come from missing data. They come from accepting the wrong kind of evidence for the stage.
- Compelling pitches without sufficient market evidence.
- Confusing interest with Buyer Proof.
- Confusing traction with repeatable economics.
- Applying late-stage standards to an early-stage company.
- Follow-on decisions without explicit milestones.
- Helping portfolio companies without becoming their operator.
More Scars Than Trophies helps investors distinguish external evidence from optimism and match investment decisions to the company's actual proof stage.
This book changes the lens. The Proof Stack changes the decisions.
The Proof Stack, read as an investor
Each stage sets the evidence you should require before the cheque, and the milestone that should govern the next one.
Stage 1
Discovery
Ask what the team has learned that a competitor has not, and how they know it. Conviction is not a finding.
Stage 2
Buyer Proof
Ask who signed, on what terms, and what they gave up to do so. Interest and pilots are not commitments.
Stage 3
Value Proof
Ask whether delivered value shows up in evidence the buyer will state themselves, and whether it repeats.
Stage 4
Scaling Proof
Ask whether unit economics survive volume, or whether growth is bought with unpriced founder effort.
Stage 5
Exit Proof
Ask whether the evidence would survive someone else's diligence without this management team present.
Across all stages
Governance
Governance is where an investor exercises judgement without taking the wheel: setting the evidence standard for the next commitment, then letting management earn it.
What you will gain
- A stage-matched checklist of the evidence a round should rest on.
- A way to separate external evidence from internal optimism in a pitch.
- Explicit milestones to attach to follow-on decisions.
- A shared vocabulary for proof gaps with founders and co-investors.
- A way to support portfolio companies without becoming their operator.
Your Proof Stack OS ebook and its AI chatbot
Choose one Proof Stack OS ebook as a downloadable PDF and receive access to that book's separate role-specific AI chatbot, claimed after purchase.
Proof Stack Investor OS (PDF)
A structure for assessing evidence by stage, recording proof gaps and setting the milestones a follow-on should depend on.
Investor AI Chatbot (Proof Stack Investor OS Investor AI Chatbot)
A separate AI chatbot for interrogating the book against a specific company or round rather than reading it in the abstract.
One package per purchase. Already bought it? Claim Proof Stack Investor OS
More Scars Than Trophies
A practical framework for founders, investors and startup boards who need to distinguish genuine evidence from activity, optimism and startup theatre.
Paperback available from 12 October 2026.
Choose one Proof Stack OS ebook and its matching AI chatbot.
- Publication
- Publishes 12 October 2026
- Formats
- Kindle ebook, Paperback
Free chapter
The most expensive startup decision is often a good decision made too early
Read Chapter 1 and see how timing, incomplete evidence and persuasive momentum turn reasonable decisions into premature commitments you end up funding.
Investor is preselected. Change it if another perspective fits you better.
PDF, 6 pages.
Want future chapters and role-specific material as they’re ready?
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