When a Great Hire Isn’t So Great: Lessons from Frank Slootman on Fixing Hiring Mistakes
Updated: Sep 11
The costliest hiring mistake isn't making a bad hire. It's taking too long to recognize one and act.
As former Snowflake and ServiceNow CEO Frank Slootman puts it in Amp It Up: "It's forgivable to make hiring mistakes; what's not forgivable is refusing to recognize and act on them." Every leader makes a wrong hiring call eventually. What separates strong teams from struggling ones is how fast they respond once the signs are there.
How much does a bad hire actually cost?
The financial case for acting fast is well documented, even if the exact multiplier varies by source and role seniority:
Finding | Source | Why it matters |
46% of new hires fail within 18 months, 89% of the time due to poor attitude or cultural misalignment, not a skills gap | Skills-based screening alone won't catch the hires most likely to fail | |
Recruiting, hiring, and onboarding a replacement can cost as much as US$240,000 in total | The cost compounds well past a single bad quarter. It's a full-cycle cost | |
43% of hiring managers say they made a bad hire because they felt pressure to fill the role quickly | Speed-driven hiring is a leading, avoidable cause of the mistake this post is about |
The pattern across these figures is consistent: the failure mode is rarely "this person can't do the job." It's fit, attitude, and alignment: the things a resume and a technical interview don't test for. And the cost of not catching it fast compounds well beyond the hire itself.
Why do hiring mistakes go unfixed for so long?
In the searches I run, hiring bias is the usual culprit. Once a leader has invested time and credibility in a hire, there's a natural pull to defend the decision rather than revisit it. Confirmation bias sets in, and early warning signs get explained away instead of addressed. This is the invisible force behind most "why didn't we deal with this sooner" post-mortems.
What makes a hiring mistake unforgivable?
Not the mistake itself. The delay. A candidate turning out to be a weaker fit than expected is a normal, recoverable outcome. What compounds the cost is watching the red flags (missed deadlines, team friction, disengagement) and choosing not to act, hoping the situation resolves on its own. It rarely does, and the longer it runs, the more it costs in team morale, client-facing quality, and the eventual cost of re-hiring.
How can leaders avoid the hiring-bias trap?
Approach | What it looks like in practice |
Look beyond the resume | Weight attitude, adaptability, and cultural alignment as heavily as technical credentials during screening. This is where the 46% failure rate concentrates |
Act fast on mistakes | Treat the first 90 days as a structured check-in period, not a probation formality. Address misalignment directly and early rather than waiting for a formal review cycle |
Use structured interviews | Standardize questions and scoring across candidates to reduce the subjective, rapport-driven bias that lets red flags get rationalized away |
Is hiring an art or a science?
Both. The scorecards, structured interviews, and reference checks are the science. They reduce noise and catch what gut instinct misses. But recognizing when a hire isn't working, and having the discipline to act on it quickly, is judgment. The leaders who get this right aren't the ones who never make a bad hire. They're the ones who catch it fastest.
“It’s forgivable to make hiring mistakes; what’s not forgivable is refusing to recognize and act on them.” — Frank Slootman
The bottom line
A bad hire isn't a failure of judgment so much as a failure of speed. The data says fit and attitude, not skill, sink most new hires, and the cost compounds the longer it's left unaddressed. Build the structure to catch misalignment early, and treat "acting on it" as the actual job, not an admission of failure.
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