Skills depreciate. Credentials expire. Networks thin out.
These are not pessimistic observations. They are facts.
A skill that is valuable today might be commoditised in five years. A credential that signals competence today becomes worthless the moment it is common. A network you built five years ago has probably changed. People left. Relationships atrophied. The value faded.
But a documented professional identity does not work that way.
Why skills and credentials are no longer enough
Most professionals built their career security on expertise. Know the right thing. Get the credential. Build the network. These used to be sufficient.
They are not anymore.
Expertise commoditises. Every time a technology disrupts a field, the professionals with the expertise discover that the expertise is now worthless. Or close to it. Because everyone can learn it. AI accelerates this process dramatically.
Credentials used to signal competence because knowledge was scarce. Now knowledge is free. A certification proves you passed an exam at one point in time. It does not prove you are still relevant. It does not prove you understand how to apply that knowledge in a real context.
Networks matter. But networks are fragile. Contacts fade. People leave industries. Relationships become transactional. The network that supported you is probably weaker now than it was a year ago.
What does not depreciate. What compounds instead of fading. A documented professional identity.
What makes an identity compound instead of depreciate
A professional identity is how you are known. Who people think of when your domain comes up. What your work actually signals about what you are capable of.
Most professionals have no documented identity. They have a resume. A title. Maybe a LinkedIn profile that mirrors their resume. That is not an identity. That is a description of what they did.
An identity is built through visibility. Through making your thinking visible. Through showing how you approach problems. Through documenting your work. Through building a recognisable pattern in how you create and contribute.
That compounds. Every piece of work you share. Every thought you publish. Every project you document. It adds to the record. It reinforces who you are known to be. It makes you more findable in your domain.
And it does not depreciate. If anything, the older your documented work is, the more valuable it becomes. It shows consistency. It shows depth. It shows you have been thinking about these problems for years.
Why this matters when expertise becomes cheap
Five years from now, most professional skills will be cheaper than they are today. Not valueless — but cheaper. More abundant. More commoditised.
The professionals who built their entire career on expertise will discover their value has declined.
The professionals who built their value on documented, verifiable professional identity will discover their value has increased. Because identity is scarce. Expertise is abundant.
Think about who gets opportunities in any field. The person who knows the thing best. Or the person who is known as the person who knows the thing. The answer has always been the second one. It will be even more obvious in five years.
Building a personal brand is not self-promotion. It is infrastructure. It is the only career insurance that works. It is the only professional asset that does not depreciate when the market shifts. I wrote about Why AI Changed How Professionals Get Discovered and explored the broader dynamics in Why the Best Leaders Are Delegating Their Personal Brand.
The professionals starting now — documenting their thinking, building their visibility, creating their identity deliberately — will be fine. The ones waiting will wake up when the value of their expertise has already fallen.
Laurent Terrijn is a serial entrepreneur, author of The Foundation: 30 Lessons That Matter, and personal brand builder with over 15 years of experience building businesses across Europe, Southeast Asia, and the Middle East. He writes about entrepreneurship, systems thinking, and building things that last.
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