Writing

The arguments behind the tools.

Two strands. Temper Line is the essay series on the boundary between soft knowledge (instinct, reads, the stuff your gut knows) and hard knowledge (records, numbers, claims you can check). Workshop notes are shorter posts on what I'm building and why.

Temper Line

SERIES · 3 ESSAYS

A series on the boundary between soft and hard knowledge in product development.

01

Great PMs Don't Agonize

What separates the builders who thrive from the ones who burn out: they've stopped trying to close the gap between documented and real, and learned to work inside it.

product managementtacit knowledgedecision making
02

Reset to Zero

A press operator in Tijuana lost part of a finger, and every decision that led there was rational from where it was made. What it costs an organization to perform certainty it doesn't have.

manufacturingtacit knowledgeorganizational design
03

Stay Close Enough to Stop

The smallest thing I've ever seen reliably work: measure how often the team is in a room with a real user, and let that number tell you whether to build or stop.

product managementuser researchdecision makingtacit knowledge

Workshop notes

SHORTER · WHAT I'M BUILDING

Running the Factory

I have a mechanical engineering degree and I've never shipped production code. I shipped a real, secured SaaS by building the system that builds it, and the first thing that system did was fail on purpose.

ai agentsengineeringproduct management