Almost anyone can present convincingly on marketing strategy for forty-five minutes. The interview has to separate the people who have owned a number from the people who have advised someone who owned a number, and a normal conversation will not do it.
The standard fractional CMO interview goes badly in a specific way. The founder describes the business, the candidate listens well, and then the candidate says a series of true things about positioning, ICP and channel mix. Everyone leaves impressed. Nothing in that hour distinguished a senior operator from a good talker, because the format never asked either of them to be specific.
The fix is not a harder interview. It is a different one, built on the fact that people who have actually done the work remember boring details, and people who have not remember frameworks.
Ask what they inherited, not what they achieved
The single most useful question in this interview is some version of: what did the marketing function look like on your first day, and what did it look like when you left? The achievement half is rehearsed. The inheritance half is not, and it is where the detail lives.
Someone who ran the function will tell you the state of the CRM, which reports existed and which were made up, who was already on the team and what that person was actually capable of, what the pipeline looked like versus what leadership believed it looked like. Someone who advised will describe the strategy they recommended. Both answers can be honest. Only one describes ownership.
Make them tell you about the failure
Ask for an engagement that did not work, and keep asking until you get a real one. The answer you want has a named cause and a share of the blame that lands on them.
Weak answers externalise completely: the client would not commit, the budget was cut, the founder kept changing direction. Those things happen and they may be true, but a strategist who has learned anything can also tell you what they would now do differently at the start to catch it earlier. The candidate who says 'I should have refused to start until we agreed how we would measure it, and I did not, so we argued about attribution for four months' is telling you how they will behave in your engagement.
Six questions that actually separate people
- What is the first thing you would want to look at here, and what would you expect to find? Vague answers name categories. Strong answers name artefacts — the CRM's closed-won reasons, the last six months of enquiry sources, the sales call recordings.
- What would make you tell me not to hire you? An operator with a real thesis about fit has a clear answer. Someone selling hours will insist they can help anyone.
- How do you work with a founder who is still doing the selling? This is the actual situation in most companies buying fractional leadership. Watch for whether they treat it as a problem to remove or a source of information to mine.
- What do you need from me, in hours per month, and what happens if I do not give it? Fractional leadership fails on founder availability more than on strategy. Somebody who has been burned will have a specific number and a specific consequence.
- Which channels would you not touch here, and why? A candidate willing to rule things out is thinking about your constraints. One who lists every channel as an opportunity has not.
- Show me a plan you wrote that did not work. Reading someone's actual artefact — not a case study, the working document — tells you more about how they think than any answer they can rehearse.
Check the shape of their availability
Fractional means part-time, and part-time means the arithmetic has to work. Ask directly how many clients they currently hold and what a normal week looks like. There is no universally correct number, but there is a point past which nobody can hold that much context, and you want to know where you would sit in the stack.
Ask what happens in a bad week — when two clients have a crisis on the same Tuesday. The answer tells you your real priority, and it is worth hearing before you need it rather than after.
The reference call is where the interview actually happens
Ask for a reference from an engagement that ended, not one that is ongoing. Current clients have an incentive to be generous; former ones will tell you what the last three months were like, which is the part that predicts your experience.
One question is worth the whole call: would you hire them again, and for what specifically? A hesitation before 'yes' is data. So is a 'yes, but for the first six months, not the second' — that is a genuinely useful answer about what a person is good at, and it is the kind of nuance you will never extract from a testimonial.
What a good interview leaves you with
At the end you should be able to state, in a sentence, what this person believes is wrong with your marketing and what they intend to do about it in the first month — and you should be slightly uncomfortable with at least part of it. A candidate who agreed with everything you said has told you nothing, and agreeable is not the same thing as right.
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See Fracmo pricing →Keep reading
- What is a fractional CMO? — the plain-English 2026 guide
- Fractional CMO cost in 2026 — real numbers, including ours
- AI CMO vs fractional CMO — how the models actually differ
- Compare Fracmo to agencies, in-house hires and DIY tools
- All Fracmo blog guides