Field Notes

The Chief Of blog.

Field notes on running a Fractional Chief AI Officer practice — what works, what fails, and what mid-market companies should actually do about AI.

What is a Fractional Chief AI Officer (and when do you actually need one)?

A complete guide to the Fractional CAIO role: what it is, what it isn't, when a mid-market company should hire one, and how the engagement compares to a full-time hire or a big-firm consultancy.

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Fractional vs. full-time CAIO: which one does your company actually need?

A clear, opinionated decision framework. We go through the four signals that say "hire full-time", the five signals that say "fractional is enough", and the one situation where you genuinely need neither.

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How much does a Fractional Chief AI Officer cost in 2026?

Real numbers. The market range, what drives the spread, what's typically included, what's not, and the three pricing models you should expect from any credible CAIO practice.

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Talk to a Fractional CAIO.

30 minutes. No pitch deck. We'll tell you whether you actually need one of these engagements.

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