The book ↗

Zero
Headcount

Two’s a crowd.
One is a Unicorn.

A book about founders who replaced the org chart with a prompt — and built companies that shouldn’t be possible alone.

by Sacha Tueni — tech startup entrepreneur

0
Employees needed
36.3%
Of new startups are solo-founded
1:∞
The new ratio

Source: Carta Solo Founders Report, 2025

The thesis
01

The era of headcount as a proxy for ambition is over. Every hire you make is a decision to not let intelligence do the work.

02

The greatest companies of the next decade will be built by one person with taste, conviction, and an unfair advantage: machines that don’t sleep, don’t politic, and don’t need equity.

03

Venture capital valued teams because execution was the bottleneck. When AI removes that bottleneck, what remains? Vision. Judgment. Speed. All singular.

04

Zero Headcount is not about doing more with less. It’s about doing what was previously impossible — alone.

05

This is not a lifestyle business manifesto. This is a playbook for building something that dents the market — at zero marginal cost of coordination.

06

The solo founder with AI is the new full-stack. The new co-founding team. The new Series A headcount plan. And the incumbents aren’t ready.

“Your org chart should be a mirror,
not a spreadsheet.
I want to read it

Get the full V0.1 manuscript — every chapter, every fictional placeholder waiting for a real story.

V0.1 is on its way. ↗
I’m building solo

Claim a chapter with your story. If it makes Version 1.0, you’re credited by name with a signed first edition.

You’re in. Watch for the first prompt. ↗
From the manuscript — Version 0.1
Introduction — Confessions of a Lonely Capitalist
I walked into the office on a Monday morning. It was a beautiful, open-plan space designed for forty people. There were bean bags, an espresso machine that cost more than my first car, and rows of sleek desks waiting for “top talent.” It was dead silent. The kind of silence that usually signals bankruptcy.

I poured a coffee. I sat down. I opened my laptop. I checked the dashboard. We were on track to hit $10M ARR by Christmas. Number of employees in the building? One. Number of employees on the payroll? ZERO.

Here’s the thing nobody tells you about running a company alone: the silence isn’t the problem. The silence is the point. No stand-ups. No Slack channels lighting up with opinions about opinions. No “quick syncs” that devour your morning. Just you, the machine, and the work…
IMAGINED SCENARIO — Is this already your Monday morning?

The chapter continues. Get V0.1 to read the rest.

V0.1 is on its way. ↗

Every chapter has a placeholder like this — a fictional story waiting for a real founder to replace it. Yours could be in the book.

Chapter I
The Pizza Rule Is Dead
If you’re sharing pizza, the team is too big
Jeff Bezos had it backwards. The two-pizza rule wasn’t about keeping teams small — it was about keeping teams at all. The real question was never “how many people can two pizzas feed?” It was “why are you ordering pizza for a meeting in the first place?”
IMAGINED SCENARIO — Claim this chapter with your story
Read excerpt ↓
Chapter VI
The Night My AI Tried to Buy Sweden
When the machine goes too fast
Chapter VIII
Managing by Incantation
The CEO’s only tool is language
Chapter XI
Empire from a Hammock
Geography is no longer a variable

11 of 14 chapters unclaimed — claim yours

Your story could replace a chapter.

You’re in. Watch for the first prompt. ↗

“I didn’t write this to teach you.
I wrote this to find you.”

Get updates as fictional chapters become real.

You’re in. ↗