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We Asked 9 COOs About Their Worst Hire. One Thing Kept Coming Up

COO reviewing interview questions for executive candidates before a leadership hire

Over the past year, we’ve had a lot of candid conversations with COOs and senior operators at scaling companies. Some had just closed a Series A or B and were hiring fast for the first time. Others were mid-growth, somewhere between 50 and 200 people, and feeling the pressure of every open seat.

Most of those conversations started with hiring, and a good number of them ended up somewhere else entirely: the hire that didn’t work out. The VP who looked like a sure thing. The leader who interviewed brilliantly and then struggled to actually lead.

We started paying closer attention. Nine COOs, across industries, walked us through their most painful executive hiring mistake in detail. What we heard was the same story, told nine different ways and the interview questions for executive candidates that nobody asked were almost identical every time.

ANSWER BOX

What interview questions do companies miss when hiring executives?

Most executive hiring mistakes come down to asking about the past without pressure-testing for the future. The questions that tend to get skipped:

  1. Have they built from scratch, or have they always had infrastructure to lean on?
  2. Can they show their actual thinking, not just talk about their outcomes
  3. What’s on the resume they’re not telling you about like the failures, the misses, the hard lessons?
  4. Will people actually want to follow them, before there’s any obvious reason to?
  5. Are they the right leader for where the company is right now, or where it’s going?

Every one of the COOs we spoke to is sharp and none of them walked into these hires blindly. The mistakes weren’t made out of inexperience.

The executive hiring mistakes were made under pressure, with great optimism, and inside a hiring process that was designed to confirm enthusiasm rather than stress-test it.

Here’s what they told us.

The hire that looked perfect on paper

Before we get into the hiring patterns, it’s worth understanding the emotional setup first.

In almost every case, the COO described a moment of genuine excitement about the candidate. The executive candidates had strong resume and impressive background. The interview felt easy, which often read as confidence. The references checked out. The internal team liked them. Often, someone senior was championing the hire.

One COO put it simply: “On paper, it was the best hire I’d ever made. That’s almost exactly when you should slow down.”

The confidence that builds around a strong candidate is one of the most underappreciated risk factors in executive hiring. It narrows the questions you ask and softens the probing. It makes the hiring process feel like a formality, when the it is actually the whole point.

That’s the backdrop for every pattern that follows.

“On paper, it was the best hire I’d ever made. “

The four patterns that kept coming up

Pattern 1: They hired for the stage they were heading to, not the one they were in (if you’re pre-Series B, read this one twice)

This came up more than anything else. A COO brings in a VP of Sales who has spent a decade in a mature, process-heavy organization. They have a strong track record with the numbers to back it up. The company is scaling fast and needs someone to drive revenue growth.

Six months later, the VP, Sales is frustrated and so is the COO. Not because the hire is incompetent, but because everything they’re excellent at assumes infrastructure that doesn’t exist yet. Like a well-defined territory model, a functioning CRM and a well-trained sales team to manage.

“She was exactly what we needed in three years,” one COO told us. “I just hired her three years too early.”

The executive interview question they should have asked:

“Tell me about a time you had to create structure where none existed. Not document improve it, but start from scratch. What did week one actually look like?”

The distinction between someone who has thrived inside a system and someone who has built one from nothing is enormous. The resume rarely tells you which you’re dealing with.

If you’re hiring your very first Head of Sales, read this first.

Pattern 2: Charisma in the room, but nothing on the whiteboard

Executive interviews tend to reward presence. A candidate who commands the room, answers questions smoothly, and leaves everyone feeling good about the conversation can move through an entire hiring process without ever being asked to show their actual thinking.

Several COOs described this exactly. The hire was articulate, compelling, and confident in every interview. Then they started the job, and the thinking that everyone assumed was behind the answers turned out to be less developed than expected.

“We basically interviewed his personality,” one COO said. “We never once asked them to do anything.”

We basically interviewed his personality.

The executive interview question they should have asked:

“Walk me through the actual plan you’d build for this role in the first 90 days. What would you do, specifically, and why?”

A candidate who can answer that well, in real time, with specific logic, is showing you something meaningful. A candidate who answers it with generalities and good energy is showing you something too.

Pattern 3: The ‘Fair Weather’ Leader: Success without a stress-test

This one surprises people. A flawless track record feels like exactly what you want in an executive hire. Hiring leaders look for consistent promotions with no career gaps where every role is a success story. This reads as low risk, especially when hiring an executive.

Several COOs we spoke to said some version of the same thing in hindsight: the resume was too clean.

At the executive level, a career without visible failure doesn’t mean someone is exceptional. Instead, it can mean they’ve never been handed a genuinely broken situation to fix or ever inherited a team in crisis. Candidates like this have never had to rebuild trust after a miss, or deliver results without the resources they were promised.

Scaling companies will put every one of those situations in front of a new executive inside the first year. The question is whether they’ve seen any of it before

“In hindsight, I realize that kept asking about his wins,” one COO told us. “It never occurred to me that I should have been more curious about what wasn’t on the resume.”

The executive interview question they should have asked:

“Tell me about a role where things didn’t go the way you planned. Not a team failure, but rather something that was your call. How did you handle it, and what did it cost you professionally?”

Pay careful attention to how they answer the last part to that question. A candidate who can answer it honestly, with specific detail and without immediately pivoting to what they learned or how they bounced back, is showing you something rare because they’re showing you they can accept accountability without needing to immediately reframe it as a growth story.

The executives who have failed and processed it well are almost always better leaders than the ones who haven’t failed at all. They know what it feels like when a team loses confidence in them and they know how to have an honest conversation when the numbers aren’t there. They’ve had to earn back trust, which means they understand how trust actually works.

A perfect resume is a reason to dig deeper.

Pattern 4: They were interviewed for the role, not for the team they’d have to lead

This one is especially common at the early stage, and it’s easy to miss. At a startup, leading often means building the team first, which requires a completely different set of questions.

Most interview processes never get it quite right.

Every question is pointed at the candidate’s individual capability. Can they do the job, do they know the market, can they build the strategy? All very valid questions, but nobody asks about the humans they’ll need to bring along with them, whether that’s future hires they’ll have to attract or founding team members already sitting three desks away who had no say in hiring them.

“We were so focused on whether she could do the work,” one COO told us. “We never asked whether people would actually want to work for her.”

The executive interview question they should have asked:

“Tell me about a time you had to earn the trust of a team that wasn’t yours yet. Not a team you built from scratch or one you inherited, but one where you had to prove yourself before anyone was going to follow your lead. What did you do, and how long did it actually take?”

That question works well whether the team exists already or is yet to be hired. It’s getting at something that an org chart can’t give an executive and a job description can’t measure. The ability to make people want to follow you, before there’s any obvious reason to, is one of the rarest and most important qualities a leader at the early stage can have.

A candidate who can answer it with specific detail and without making it sound easy is worth paying close attention to.

The executive interview question underneath all the questions

Looking at these four patterns together, the common thread is a process that was never designed to create enough friction.

Most executive hiring processes move toward a decision. They’re set up to evaluate, yes, but also to maintain momentum and close. The further into a search you get, the more energy everyone has invested, and the harder it becomes to ask a question that might slow things down.

That dynamic is where executive hiring mistakes live. Not in the interview room, but in the structure around it.

Nobody built an interview scorecard before the search started that defined what “right for this stage” actually means. Nobody assigned someone the job of arguing against the frontrunner.

What the COOs we spoke to described weren’t actually bad candidates, in fact they were often excellent executive candidates. They described a hiring process that wasn’t built to find the difference between a great candidate and the right one for where they were in their company’s growth journey.

What a better executive interview process actually looks like

The good news is that this isn’t complicated to fix. It just requires doing a few things before you meet a single executive candidate.

Define the profile for the stage you’re entering, not the one you’re in. Before the search starts, write down specifically what this person needs to have done, in a company context similar to yours, to be credible for where you’re headed. “Built a sales team from zero to ten” is a different hire than “scaled a sales team from ten to fifty.” Get specific and commit it to paper before enthusiasm for any one candidate clouds the picture.

Build a structured scorecard and use it consistently. Every interviewer should be evaluating the same things. When the debrief happens, you want people comparing structured observations, not competing gut feelings. A simple rubric for each of your core criteria is enough.

Ask candidates to show their thinking, not just describe it. A live walk-through of how they’d approach the first 90 days, a situational question they haven’t prepared for, a brief exercise tied to a real challenge the company is facing. It doesn’t need to be a full case study. It just needs to get past the prepared narrative.

A closing thought

Every COO we spoke to said something similar near the end of the conversation. They knew, somewhere in the process, that something felt slightly off. There may have been a question that went a little too smooth, an answer that was a little too polished or a reference call that felt more like a transaction than a real conversation.

They overrode it, usually because they were tired of the search. Sometimes because the internal pressure to fill the seat was high. Once or twice, it was because they genuinely liked the candidate and didn’t want to find a reason to slow down.

A better executive interview process doesn’t just find the right person faster. It gives you the confidence to trust your read when it actually matters, and something to point to when you need to ask one more question before deciding.

We work with scaling companies on exactly this kind of search. If you’re in the middle of one and want a second opinion on how it’s going, we’re easy to reach.

The Leadership Vault - Talent IQ.

Before your next executive interview, grab this.

If you want a practical starting point for the interview side of this, we’ve put together a set of questions built around the three areas where executive hires most often break down: vision and strategy, execution under pressure, and people leadership. It’s free and a lot of hiring teams have told us it changed how they run these conversations. Download The Leadership Vault here.

Frequently asked questions

Effective executive interviews go beyond past performance. Ask candidates to walk through how they’d approach the first 90 days in specific terms. Give them a situational question they haven’t prepared for. Ask about a decision they made that went wrong and what changed in how they lead because of it. Use a consistent scorecard so every interviewer evaluates the same criteria, and debrief with structured observations rather than general impressions.

The most common executive hiring mistakes include hiring for the company stage you’re leaving rather than the one you’re entering, relying only on candidate-provided references, skipping structured evaluation in favour of gut feel, and failing to ask candidates to demonstrate their thinking during the process. Most mistakes don’t happen because a candidate was wrong for the role. They happen because the process wasn’t built to find that out.

Most executive searches take between six and twelve weeks from brief to signed offer, depending on seniority and market conditions. Rushing the process is one of the most reliable ways to end up with the wrong person. A well-run search with clear criteria, a strong pipeline, and a structured evaluation process will move faster and with more confidence than one that starts without those things in place.

If your internal team doesn’t have the bandwidth to run a thorough search, if the role requires access to candidates who aren’t actively looking, or if you’ve been searching for more than six weeks without a strong shortlist, those are all good reasons to bring in outside support. A good executive search partner also helps define the role brief clearly before the search starts, which is where a lot of internal searches quietly go wrong. Learn more about how we approach executive search at Talent IQ.

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