SEED→B
A Field Guide for Founders

The marketing mistakes that cost founders the most are the ones they make early.

Seed to Series B is a decision guide for B2B SaaS founders. Thirteen chapters on what to do, when to do it, and what to skip, so you stop spending against the stage you wish you were at.

Available at Amazon
Seed to Series B: Marketing Decisions Without the Expensive Mistakes, by Tom Berger
Why this matters

Most marketing money is wasted before the first dollar is spent.

Not on the wrong ad. On the wrong decision underneath it.

A founder picks a channel before knowing their buyer. Hires a CMO before product-market fit. Copies a motion that worked at a different company in a different market. None of it shows up as a single bad call. It shows up as a quarter of burn and a dashboard full of green that somehow isn't producing pipeline.

The expensive mistakes aren't tactical. They're decisions made in the wrong order, at the wrong stage. This book is the sequence that keeps you from making them.

A note from the author

I've made these mistakes.
I've watched founders make them.
That's why I wrote this.

I've spent more than 25 years in B2B marketing, joining companies of just twenty people to managing budgets over $30 million, across PLG, demand gen, and ABM.

None of it taught me a universal playbook. What it taught me is which decisions matter most, and when. I've been the experienced advisor who understood the business before opening my mouth, and I've been the wrong hire for a stage who learned it the hard way. Both are in this book.

Tom BergerPortfolio CMO · bergercmo.ai

What's inside

Four parts. Four expensive mistakes.

01
Part One

Before You Spend a Dollar Chapters 1–3

Most founders spend against the stage they wish they were at, not the one they're in. This part settles three things first: your real stage, who's actually in the room when deals get decided, and whether the market is ready for what you're selling.

02
Part Two

The Decisions That Define Your GTM Chapters 4–7

The decisions that set your trajectory get made by accident: five channels nobody chose, positioning that doesn't land. This part settles your positioning, the one channel worth winning, PLG versus sales-led, and why chasing MQL volume quietly burns the budget.

03
Part Three

Building the Team and the Operating System Chapters 8–11

Founders hire, budget, and measure their way into a function that can't run without them. This part settles the right first hire for your stage, the three metrics that matter, a budget built backward from revenue, and the cadence that lets marketing run without you.

04
Part Four

Readiness Checkpoints Chapters 12–13

Scaling a broken foundation just breaks it faster, and burns the round you raised to do it. This part covers the six questions that tell you the foundation is ready to scale, and how to hand the engine to a VP without dropping the baton.

What you'll learn

Thirteen decisions, in the order they actually matter.

  • 01How to diagnose the stage you're actually in, in about ten minutes Ch 1
  • 02Who's really in the room when your deals get decided, beyond your ICP Ch 2
  • 03Which of four market types you're in, and why the wrong play burns runway Ch 3
  • 04The five positioning decisions, made in sequence, before you write a line of copy Ch 4
  • 05How to pick one channel and win it instead of half-running five Ch 5
  • 06PLG or sales-led, decided by three inputs instead of preference Ch 6
  • 07Why MQL volume is a trap, and what to hold marketing accountable for Ch 7
  • 08The right first marketing hire for your stage, and the oversight it needs Ch 8
  • 09The three metrics that matter, by stage and motion, instead of seventeen Ch 9
  • 10A budget built backward from your revenue target, not last year's spend Ch 10
  • 11The operating cadence that lets marketing run 90 days without you Ch 11
  • 12The six questions that tell you the foundation is ready to scale Ch 12
What you get

Three things, not one.

The book

Seed to Series B

Thirteen chapters across four parts. A decision guide following four early-stage founders learning from common mistakes.

The workbook

Companion worksheets

Thirteen fillable worksheets, one per chapter. Every diagnostic, matrix, and exercise from the book, built to fill in.

The AI advisor

AI Companion

Drop your real situation in and get an answer grounded in the actual learnings described in the book. Not generic AI slop.

Who this is for

Built for one kind of reader.

This is for B2B SaaS founders between Seed and Series B who are making real marketing decisions with real money and want to make them in the right order. If you've already nailed your positioning, channel, and first hire, read the chapters to confirm it. If you haven't, those are the chapters where your next dollar should go before you scale anything.

It's not a tactics manual. It won't tell you the five steps to product-market fit. It hands you the questions that lead to your specific answer.

One last thing

You're going to make these decisions either way.

The only question is whether you make them on purpose, in sequence, before the expensive version. That's the whole book.

If working through it raises questions about your specific company, Tom works with a small number of Series A and B founders as an embedded Portfolio CMO. bergercmo.ai
Get the book

The decisions you're already paying for, in the order that saves you the most.

$9.99
Available on Amazon
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