Those Who Can, Teach: Why Sharing Your Knowledge Builds Your Personal Brand
Oct 30, 2026
Those Who Can, Teach.
There’s an expression we’ve all heard.
“Those who can, do. Those who can’t, teach.”
I’ve never particularly liked it.
Because I think it fundamentally misunderstands the value of teaching.
In fact, I’d argue the opposite.
Those who can, teach.
And increasingly, I believe the ability to share what you’ve learned is one of the most valuable things you can do for your career, your reputation and your personal brand.
Experience is valuable. Shared experience can be even more valuable.
Think about everything you’ve learned throughout your career.
The decisions you’ve made.
The mistakes you’ve survived.
The problems you’ve solved.
The people you’ve worked with.
The lessons you wish somebody had shared with you earlier.
All of that experience has value.
But much of it remains locked inside the person who experienced it.
We become so familiar with our own expertise that we sometimes forget how useful it might be to somebody else.
What seems obvious to you may be a revelation to someone at an earlier stage of their journey.
And what took you years to understand might save somebody else years of unnecessary frustration.
That’s the power of sharing knowledge.
Teaching isn’t just standing in front of a classroom
When I talk about teaching, I’m not necessarily talking about becoming a teacher.
I’m talking about sharing what you know.
Mentoring a colleague.
Helping someone solve a problem.
Explaining a complicated idea.
Sharing a lesson from your career.
Offering a perspective that changes how someone thinks.
Or simply taking the time to help another person understand something you once struggled with yourself.
These are all forms of teaching.
And they’re also opportunities to demonstrate something important about your professional identity.
What you know.
How you think.
What you value.
And how you help others.
Your expertise is part of your personal brand
There’s a difference between telling people you’re knowledgeable and helping them experience your knowledge.
One is a claim.
The other is evidence.
And evidence is far more powerful when it comes to building trust.
You don’t necessarily need to publish endless content or become a recognised thought leader.
Sometimes your strongest personal brand is built through the people you’ve helped, the knowledge you’ve shared and the difference you’ve made.
Because when you help someone else become better at something, your expertise becomes part of their story too.
In my latest LinkedIn article, I explore why we should rethink the relationship between doing and teaching, and why sharing what you’ve learned may be one of the most meaningful ways to build your reputation.
Read the Full Article on LinkedIn →
About Marc Maley
Marc Maley is an international personal brand identity strategist, storytelling expert and founder of My Brand Academy. He works with global stars, sports personalities, creators, talent, founders, CEOs and senior leaders to help them understand who they are, discover what makes them distinctive and build influential personal brands.
Drawing on more than a decade of experience working with international brands and individuals, Marc specialises in Identity Intelligence, personal brand strategy, leadership positioning and storytelling, helping people turn their experiences, strengths and perspectives into meaningful opportunities.
His philosophy: Understand who you are. Build who you become.