Looking for personality types expert (MBTI)

Writing an article about the purported rarest personality type (INFJ). Seeking an expert on the MBTI, ideally someone who is certified by the organization and has lead trainings in 1:1/corporate/etc. settings. Want to discuss what the type says about someone, the traits that make it rare, and why it's special. Please only send your credentials, in the pitch; I will reach out to connect if we're a good match.

Question

Looking for personality types expert (MBTI)

Writing an article about the purported rarest personality type (INFJ). Seeking an expert on the MBTI, ideally someone who is certified by the organization and has lead trainings in 1:1/corporate/etc. settings. Want to discuss what the type says about someone, the traits that make it rare, and why it's special. Please only send your credentials, in the pitch; I will reach out to connect if we're a good match.

John Cheng · Accepted Answer

I'm John Cheng. I run MBTI trainings, but my real experience comes from leading tech teams. I've coached executives on what it actually means to be an INFJ at work, from handling all that empathy to making tough calls. If you want to understand INFJs beyond the textbook, from someone who has managed them, I'd be up for a chat.

Bennett Maxwell · Answer

I'm certified in MBTI and work with executives and founders. In our sessions, we move past the type labels to figure out how to use those insights for real things, like handling a tough conversation or improving how a team works together. If you're curious how this fits with business coaching, just ask me.

Ryan Nelson · Answer

I got certified in Myers-Briggs and have run these trainings with all kinds of teams. The INFJs I've worked with tackle problems differently - they bring this creative, caring approach that you just don't see often. When teams get how INFJs operate, communication gets smoother and people connect more. If you want to understand what makes INFJs tick, look at how they genuinely want to help people in their own way.

Shan Abbasi · Answer

I'm formally certified in the MBTI(r) assessment and have led numerous trainings and coaching engagements across professional and organizational settings. My background includes educating clients on type distributions, why specific profiles like INFJ appear rare, and how those characteristics influence behavior, relationships, and leadership style.

Lachlan Brown · Answer

Hi there,

I'm Lachlan Brown, a behavioral psychologist and co-founder of The Considered Man. Usually, I write a lot about personality psychology, identity, and decision-making on various online platforms. I've spent years studying and applying personality frameworks, including MBTI, in both 1:1 and educational settings and I've written in depth about INFJ traits and misconceptions across multiple publications.

I'm including some of my analyses on INFJ personality for your reference:
https://jeanettebrown.net/10-signs-youre-an-infj-the-worlds-rarest-personality-type/
https://thevessel.io/gen-9-signs-youre-an-infj-female-the-rarest-type-of-woman/

I'm happy to discuss what genuinely distinguishes INFJs, what makes the type appear rare, and why INFJ identification has become culturally significant in recent years.

Don't hesitate to reach out if this feels like a good fit!

Thanks for considering my insights!

Cheers,
Lachlan Brown
Co-founder, The Considered Man
https://theconsideredman.org/ 
Email: lachlan@theconsideredman.org
My book 'Hidden Secrets of Buddhism': https://www.amazon.com/dp/B0BD15Q9WF/

Amy Mosset · Answer

I run a mental health practice and spend a lot of time using MBTI to help teams sort out their communication. I've worked with tech startups and construction crews, helping people understand why their boss is so direct or why a colleague needs time to process. It's usually about helping people see each other's angles. If your team is stuck, we can talk.

Vlad Ivanov · Answer

I teach MBTI and people are always fascinated by INFJs. In a workshop, you'll see them sitting quietly, then suddenly they say something that shifts the whole room's direction. The best part is when someone recognizes that in themselves. They finally get why they're always advocating for others behind the scenes. It's that mix of quiet insight and genuine care.

Shannon Sauer-Zavala · Answer

Hi! I am a licensed clinical psychologist and professor of psychology at the University of Kentucky. I specialize in understanding personality and in developing interventions for personality change. I'd love to talk to you about personality science - and the MBTI is not. I could define the INFJ in big five terms and talk about what those traits predict. And way a big five approach has more predictive power than MBTI or enneagram categories/types.

Joern Meissner · Answer

I'm a certified MBTI practitioner through The Myers-Briggs Company, with over a decade of experience delivering MBTI-based trainings in one-on-one coaching, leadership development, and corporate workshops. I regularly work with individuals and teams to interpret type dynamics, including less common types such as INFJ, and to translate theory into practical insights for personal and professional growth.

Tom Bukevicius · Answer

I'm an MBTI-certified facilitator with extensive experience leading personality-type training for organizations, managers, and individuals. I've worked specifically with INFJ clients in coaching settings and frequently address misconceptions about the rarity of introverted intuition and values-driven decision-making in my teaching and workshops.

Hendrika Ebregt · Answer

My coworkers who are into MBTI are always talking about those rare personality types, like INFJ. Honestly, I'm no expert, my background is in real estate. But these conversations about how people work differently are actually pretty useful. I've seen how understanding those differences helps a team gel. For me, it's not about some test, it's just about helping people work together to get things done.

Grant Gamble · Answer

I lead workshops on personality types, and when we get to the INFJ, people are always surprised. They have this knack for seeing patterns nobody else in the room does, combining what others are feeling with their own sharp gut sense. But in a group, they often get quiet and steamrolled. What I've learned is that if you just give them a moment to process, then ask for their take, they'll often drop the one comment that changes everything.

Joe Yudai Takagi · Answer

I spend most of my time mentoring startup founders, but I've also done a fair bit of team MBTI work. I help teams use those personality insights to figure out their communication and decision-making, which usually means less meeting friction and faster progress. If you're curious, I can give you some examples of how this plays out in a real startup environment.

7 Answers

Joern Meissner

Bennett Maxwell

Amy Mosset

Ryan Nelson

Vlad Ivanov

Lachlan Brown

Shannon Sauer-Zavala

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