Field Guides · Resource 02 of 15
A four-phase model — Doing, Building, Scaling, Governing — showing exactly how the CoS mandate evolves from seed to Series D+.
Featured resource
How the Chief of Staff role fundamentally changes as your company scales — from seed-stage founder support through Series D+ governance.
Doing
3–15 people
Founder is the bottleneck on everything
Profile
EA++ / Founder Associate — high energy, low ego, extreme context-switching
Building
15–50 people
Founder feels their leverage slipping
Profile
Builder with pattern recognition — has seen "good" and can create lightweight systems
Orchestrating
50–250 people
Scaling faster than the operating model
Profile
Strategic operator — 7–12 yrs exp, manages upward without authority, mini-COO
Governing
250–1,000+ people
CEO time is the most scarce resource in the company
Profile
Seasoned operator with political intelligence & board-level comms skills
