John Dobharchú

Field Notes

Notes from inside founder-led companies, on finding the constraint and fixing it in the right order.

The Misdiagnosis

Why the symptom you see is rarely the constraint that is actually holding you.

The cheapest quarter you’ll ever spend
Why diagnosing a stalled growth number beats spending against it, and how sequencing message before spend produced $4M in new revenue at 48% margin.
July 16, 2026

The Seat Decision

Choosing the operating seat that owns the constraint, before hiring around it.

When the second resignation lands
Why a cluster of departures is worth reading before you run the searches, and how defining the seat around the real constraint keeps you from hiring twice.
July 27, 2026

The Founder Ceiling

The moments when the company outgrows the founder's default operating mode.

The company runs at the speed of your decisions
Why decision velocity, more than talent or budget, sets how fast a company can grow, and what changes when decision rights move down to the people closest to the work.
August 10, 2026

When Capital Outruns Structure

What happens when funding arrives faster than the operating system can absorb it.

Coming soon…