How to Hire an Interim CMO: A Fast, Safe Process

THE SHORT ANSWER

To hire an interim CMO, write down what changed and what can’t slip, interview for what they’ll do in the first 30 days, check how they’ve handed off before, and put the end date and the handoff plan in writing. Done right, it takes days, not months, and you’re not stuck if the fit isn’t right.

When your marketing leader leaves, you don’t have time for a four-month search. One CMO search firm puts the average time to hire a CMO at about 3.8 months (Talentfoot, 2025). An interim CMO fills that gap. But hiring one fast doesn’t mean hiring one blind. Here’s the process I’d use if I were on your side of the table.

Six steps, most of them done in the first week. The last one protects you and your next CMO.

Step 1: Write down what changed and what can’t slip

Start with one page. What happened? A CMO left, a deal closed or a launch is coming. Then list the two or three things that can’t slip in the next 90 days. That page becomes the job. It also keeps you from hiring someone great at the wrong problem.

Step 2: Decide days per week and length

Interim usually means close to full time for a set stretch, often three to nine months. Be honest about what you need. A team in crisis needs someone in the building most days. A steady team with a clear plan may need less. If you only need part-time help, read interim vs. fractional CMO.

Step 3: Look for people who’ve solved your problem

Don’t hire for logos. Hire for the problem. If you just closed an acquisition, find someone who’s merged two brands and two teams. If a launch can’t slip, find someone who’s launched under pressure. Ask for the story, not the résumé.

Step 4: Interview for the first 30 days

Ask every candidate the same questions.

What would you do in your first week?
What would you need from me and the team?
What would you stop doing right away?
How will we know it’s working at day 30?

Good answers are specific and calm. Watch out for anyone who wants to rebuild everything before they’ve listened.

Step 5: Check how they hand off

Most reference checks ask what someone achieved. For an interim, ask how they left. Did the permanent hire walk in to a written plan, clean dashboards and a team that knew its priorities? That’s the job.

It matters more than it sounds. McKinsey found that two years in, 27% to 46% of executive transitions are seen as failures or disappointments. Tailored coaching and real onboarding plans roughly double the odds of success, but only 32% of companies use them (McKinsey, 2018). A good interim builds that plan for your next CMO.

Step 6: Put the end date and the handoff in writing

Your agreement should name the scope, the days per week, the length, who the interim reports to and what they’ll hand off at the end. Include a simple way to end early if it’s not working. A clear end is a feature, not a risk.

Mistakes to avoid

Waiting too long. Every week without a leader adds drift.
Hiring an advisor when you need a leader. You need someone who runs the team, not someone who sends a deck.
Skipping the handoff plan. Your new CMO ends up starting from zero.
Leaving decision rights fuzzy. An interim who can’t decide can’t help.

When I step in, the first wins usually come from fixing what’s leaking. At one 14-office group, fixing how calls were handled cut missed calls 91%. See more results.

Questions leaders ask

How fast can I hire an interim CMO?

Often within a week or two, and the interim can usually start within days of signing. It’s far faster than a permanent search.

Should I use a search firm?

You can, but you don’t have to. Many interims come from referrals, your network or direct outreach. If you use a firm, ask how fast they can deliver interim candidates.

What should the agreement include?

Scope, days per week, length, who they report to, what they’ll hand off and a clean way to end early.

Can the interim become the permanent CMO?

Sometimes. If it’s a great fit, talk about it. Just don’t let it blur the handoff plan in the meantime.

What if the interim isn’t working?

Talk early. A clear 30-day check-in and an early exit clause make it easy to fix.

The bottom line

Hire an interim CMO the way you’d run a good project: name the problem, size the job, interview for the first 30 days, check the handoffs and put the end in writing. Done right, it takes days, not months. If you need someone soon, let’s talk this week.

Sources

Talentfoot, How Long Does It Take to Hire a CMO? CMO Time-to-Fill and Tenure Trends, 2025.
McKinsey & Company, Successfully transitioning to new leadership roles, 2018.