Sales

Choose The Right Salespeople With Personality Data

DATE
November 3, 2025
AUTHOR
Narmin Mammadova
READ
5 min

Hiring the right salesperson isn’t just about experience anymore — it’s about fit.

Two people can have identical CVs and completely opposite outcomes. One thrives, the other crashes. The difference often lies in something most founders overlook — personality alignment.

In B2B sales, especially across Europe, where buying cycles are longer and cultural nuance matters, personality data has become a powerful filter for founders and heads of sales who want predictable performance instead of guesswork.

Why personality testing belongs in every sales hire

A decade ago, you could rely on instincts — if someone was outgoing, confident, and “hungry,” they probably fit the role.

That model doesn’t work anymore.

Modern SaaS and tech sales require emotional control, curiosity, and structure — not just energy.

Today’s reps navigate multi-threaded deals, remote buyers, and months of touchpoints. That demands traits like discipline, empathy, and adaptability — qualities that personality data can help you measure objectively.

The 16 personalities framework as a sales filter

One of the most useful and accessible models is the 16Personalities test, based on the Myers-Briggs framework.

It divides people into 16 archetypes that reveal how they make decisions, handle conflict, and respond to stress.

From years of hiring and mentoring sellers across Europe, we noticed a pattern: four personality types tend to dominate in top-performing sales roles.

They are:

  • Commander (ENTJ) – Natural leaders who thrive under pressure and set direction fast.
  • Protagonist (ENFJ) – Empathetic communicators who connect deeply with clients.
  • Executive (ESTJ) – Organized, process-driven, and reliable in structured sales systems.
  • Entrepreneur (ESTP) – Fast-moving doers who love direct action and results.

These types naturally balance persuasion, structure, and adaptability — the three pillars of successful selling.

What to look for beyond personality fit

A test result is not destiny.

The goal isn’t to find “perfect types,” but to understand how to manage and coach them.

For example:

  • Commanders need freedom and measurable challenges — micro-manage them and they disengage.
  • Protagonists need mission alignment — if they don’t believe in the product, they underperform.
  • Executives love structure — give them clear systems and they’ll outperform every time.
  • Entrepreneurs need variety — repetitive SDR tasks will drain them fast unless you rotate responsibilities.

Using this lens, founders can design better onboarding, coaching, and motivation systems instead of cycling through hires.

Red flags most founders miss

Not every personality type fits sales naturally — and forcing the wrong person into the wrong role usually ends badly for both sides.

Here are a few red flags to look out for during interviews or test reviews:

  • Strong introverted intuition but low adaptability → excellent in research, poor in high-volume outreach.
  • High perfectionism but low resilience → struggles with rejection cycles.
  • Preference for independence over collaboration → friction in team-based pipelines.

These people might excel in product, marketing, or operations — but not in roles requiring constant context switching, rejection handling, and human connection.

Combine data with live testing

A personality test should never be your only filter. Pair it with live simulations — short assignments that mirror real sales scenarios.

Examples:

  • A 5-minute cold call simulation.
  • A mini discovery conversation with a fake client.
  • A written follow-up email based on a sample meeting.

These show how candidates apply their traits under pressure.

For instance, an ESTP might improvise brilliantly, while an ENFJ focuses on relationship tone — both valuable, but in different roles.

Tools like Crystal Knows and Predictive Index can take this further, offering behavioral profiles, communication insights, and motivation mapping for more data-driven hiring.

Why personality awareness boosts retention

When you hire based on fit — not just experience — your ramp time shortens and churn drops.

People who feel naturally aligned with their work stay longer, learn faster, and deliver more consistent results.

In Europe’s competitive SaaS landscape, replacing one rep can cost months of revenue. Understanding what makes people tick is not HR trivia — it’s revenue protection.

How to start

  1. Add a simple personality test link (like 16Personalities.com) to your hiring process.
  2. Compare each candidate’s results to your top performers’ profiles.
  3. Use findings to adjust coaching plans, not to disqualify prematurely.
  4. Re-test your team annually — growth changes people.

Treat personality data as a map, not a label. The goal is awareness, not categorization.

Final takeaway

In today’s B2B world, data runs everything — from pipeline forecasts to marketing attribution.

It’s time founders used data to understand the humans driving that revenue too.

A personality-informed hiring process won’t make sales easy, but it will make it repeatable.

Because once you know who thrives in your system, scaling becomes a science — not a gamble.