No senior engineering leadership at all
Founders run engineering directly with no senior tech voice. You need broad coverage across architecture, hiring, security, and infrastructure. AI is one of many items.
Comparison 03 · Fractional CTO or CIO
Fractional AIvs a fractional CTO or CIO.
Fractional CTOs and CIOs own technology broadly. A Fractional Head of AI Transformation owns AI as its own program. The scopes and the cadences differ, and the two roles often work side by side.
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If a fractional CTO or CIO fits better, I will say so.
01 · Side by side
Same questions.Both roles.
Fractional CTO or CIO
- Scope. Engineering or IT org-wide. Architecture, hiring, security, infrastructure, vendor management, roadmap, sometimes product.
- Method. Engineering management and technology strategy. For CIOs, sometimes ITIL or COBIT.
- Engagement. Varies widely, often open-ended.
- Works with. Founders, the CEO, the board. Often the only senior tech voice in the room.
- Hands-on with. Varies. Some fractional CTOs code and some do not. AI is one item on a full plate.
GAT →
- Scope. The AI program. The workflow map, the production builds, AI vendor calls, evals, adoption, and AI hiring.
- Method. A workflow map from your system data and interviews, then a 90-day sequence with an owner, a baseline, and a build type on every line.
- Engagement. A two-week diagnostic first. Then the Fractional retainer at 1 to 3 days a week, 6-month minimum.
- Works with. A full-time CTO, a fractional CTO, a CIO, or a COO. Reports to any of them or to the CEO.
- Hands-on with. The production AI builds, the eval and observability bar, and the vendor calls. Plus AI Workforce Training, so your team uses what ships.
Before you askEvery engagement starts with the AI Program Diagnostic: $2,500 flat, two weeks, credited in full if you move to the build or a retainer within 30 days. The Fractional retainer runs from $12,000 a month for one day a week, up to three days, 6-month minimum, quarterly renewal after, with a 14-day mutual exit from day one.
02 · What to look for
How to scorea fractional exec.
Use these on me too.
- Is AI a portfolio item or the whole role? If AI is one of five priorities for a fractional CTO, it usually loses to whatever is on fire that week.
- Do they ship production AI today? Three years ago does not count. The models change every quarter.
- Can they show you a baseline? Ask for today's number on each AI line, in hours, days, or dollars. General tech strategy rarely writes one down.
- What does the AI portfolio look like at month six? If AI is still bundled into the engineering roadmap with no ranking and no kill list, the role was not about AI.
03 · Pick the CTO or CIO
When a CTO or CIOis the right call.
The pain is enterprise IT or infrastructure
An ERP migration, the identity stack, security posture, or vendor consolidation across business systems. That is fractional CIO scope.
AI is not a priority yet
AI is on the someday list. Tech leadership matters more than AI leadership right now. Add a fractional AI lead later, when AI becomes a real portfolio.
You want one person for everything tech
One point of contact, broad scope, modest depth in any one area. That is the fractional CTO model. A fractional AI lead has a narrow scope and deep ownership.
04 · Pick GAT
When I amthe right call.
If two or more of these show up, AI needs its own owner instead of a slice of someone's plate.
Your CTO or VP Eng is stretched
Tech leadership is in the seat. AI keeps getting pushed because it competes with five other priorities. A fractional AI lead pulls AI out as its own program so it stops losing to the latest incident.
AI spend is climbing and adoption is not
Tools added, pilots run, adoption stuck under 20%. The pilots were dropped onto the process as it was, so the handoffs stayed. That gets fixed by mapping the workflow first, and general tech leadership rarely has the time.
The board is asking about AI specifically
The quarterly board memo needs an AI section that holds up. A measured baseline on every line, a kill list with reasons, and before and after numbers on what shipped.
You are scoping a full-time Head of AI
Senior-exec pay and a six-month ramp. The fractional retainer covers the gap. I scope the role, help hire the right person, and hand off cleanly.
05 · Working together
The two rolesoften coexist.
In most rooms this is not a choice between the two. A fractional CTO running engineering and a fractional AI lead running the AI program is a common pairing, with different scopes and cadences that fit together. The real question is whether AI gets its own owner or stays one line on the CTO's list.
06 · FAQ
Questions.
What is the difference between a Fractional Head of AI Transformation and a Fractional CTO?
A fractional CTO owns engineering org-wide: architecture, hiring, vendor selection, security, and roadmap across the whole stack. A Fractional Head of AI Transformation owns the AI program inside that: the workflow map, the production AI builds, AI vendor calls, evals, and adoption. Different scopes. They often coexist.
What is the difference between a Fractional Head of AI Transformation and a Fractional CIO?
A fractional CIO owns enterprise IT, business systems, infrastructure, security, and vendor management. A Fractional Head of AI Transformation owns how AI changes the work itself: which workflows get rebuilt, in what order, against which baseline, and who owns each one. The CIO keeps the systems running. The AI lead rebuilds the work that runs on them.
When is a Fractional CTO or Fractional CIO the right call?
When the core engineering or IT function needs leadership: architecture decisions, security posture, hiring engineers, a modernization roadmap. Broad technology ownership, with AI as one item among many.
When is a Fractional Head of AI Transformation the right call?
When AI is the bet that needs its own owner. Pilots have stalled, spend is climbing, adoption is stuck, and the board is asking. If AI is one item among five on a fractional CTO's plate, it usually loses. A fractional AI lead runs it as its own program, with its own baselines, its own kill list, and its own evals.
GAT.
Your room. I'll name the fit. Even when it isn't me.
If a fractional CTO or CIO fits better, I will say so.
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