Ask most people what makes someone an expert, and you will get some version of the same answer: years on the job, a certificate on the wall, maybe a title before their name. Doctor. Chartered Accountant. Engineer. Esquire.
But spend enough time around any profession in Ghana, and you start to notice something curious. Some people with twenty years of experience are, quite frankly, no sharper today than they were at year five. And some people with far less time under their belt seem to have a depth of judgement that makes you want to run every difficult decision past them first.
So what is actually going on? If it is not years, and it is not the certificate alone, what makes someone a genuine expert?
The Story of Two Accountants
Consider two chartered accountants, both trained at the same institute, both starting their careers the same year in Accra. One spends the next fifteen years doing largely the same kind of audit work, year after year, for similar clients, using the same checklist he learned early on. He is competent. He is reliable. He has never had a serious complaint against him.
The other takes on the messier files nobody else wants: the businesses with irregular books, the disputes that end up needing testimony, the clients whose situations do not fit neatly into any template. She makes mistakes along the way. She gets corrected by senior colleagues. She has to explain, more than once, why a judgement call she made did not hold up. But each time, she adjusts.
Fifteen years later, both are still called chartered accountants. Only one of them is genuinely an expert in the fuller sense of the word. The difference was never about time served. It was about what that time was actually made of.
Knowledge Alone Does Not Make an Expert
Here is the uncomfortable truth: knowing a lot about a subject does not automatically make you an expert in it. Plenty of people can recite tax law from memory, or quote sections of the Companies Act, without being able to apply that knowledge reliably when a real, messy situation lands on their desk.
What actually separates an expert is the combination of deep, organised knowledge and a tested ability to use it under real conditions, with real consequences, again and again. An expert has seen enough variation in their field that they can recognise patterns quickly, know which details actually matter, and reach a sound judgement even when the situation in front of them does not match any textbook example.
This is why expertise is earned through repetition with feedback, not through study alone. The accountant who kept taking on the difficult files was not simply accumulating hours. She was accumulating tested experience: making a judgement, seeing the outcome, and quietly updating how she approached the next similar case.
Technical Knowledge Is Not the Same as Judgement
There is a particular moment that reveals this difference clearly, and many Ghanaian professionals will recognise it. It is the moment a client or a journalist asks not “what does the law say,” but “what should I actually do.”
Technical knowledge answers the first question. It is what can be written down: the regulation, the procedure, the formula. Professional judgement answers the second, much harder question: what should be done in this particular case, with these specific constraints, right now.
You see this clearly whenever a legal or financial matter makes the news. When GhanaWeb or Citi Newsroom runs a story on a new tax policy, several people with the same qualifications might be approached for comment. Some will simply restate what the policy document says. Others will explain what it actually means for a small trader in Kejetia market, or a landlord in East Legon, weighing the specific, practical implications. That second kind of response is judgement, and it is precisely what clients and audiences are really paying for when they seek out an expert. Anyone can look up a rule. Far fewer people can weigh competing considerations and tell you, plainly, what to do about it.
The Knowledge That Is Hard to Explain
There is also a quieter form of expertise that rarely gets discussed openly, the kind that shows up as a hunch. A senior nurse at Komfo Anokye Teaching Hospital who senses something is wrong with a patient before the machines confirm it. A market inspector in Takoradi who can tell, almost instinctively, when a trader’s paperwork does not add up, even before checking the details.
This is tacit knowledge: understanding built through direct experience that resists being reduced to a checklist. It is genuine expertise, but it creates a real challenge, because it is hard to put into words, and therefore hard to demonstrate to anyone who was not standing beside you when you learned it.
Part of becoming known as an expert, rather than simply being one quietly, is learning to translate that instinct into language other people can actually follow. The senior nurse who can explain why she suspected trouble, not just that she did, is the one who ends up training the next generation rather than simply being admired by them from a distance.
Knowing Where Your Expertise Ends
Perhaps the clearest sign of real expertise is a willingness to say, plainly, “that is outside what I know.” Trouble tends to follow professionals who lose sight of the edges of their own competence and begin speaking with the same confidence about matters well outside it.
We have all seen this play out publicly. A specialist doctor speaking confidently on a health matter squarely within their field earns trust. The same doctor speculating with equal confidence on an unrelated area, macroeconomics, say, or constitutional law, tends to quietly undermine it. Real experts are usually the ones who are precise about what they know, direct about what they do not, and comfortable saying so even when a confident guess would be easier in the moment.
So What Actually Makes an Expert?
Not the certificate alone. Not the years alone. Not even the raw volume of knowledge in someone’s head.
It is tested judgement, built through deliberately facing the harder, messier cases rather than avoiding them. It is the discipline to keep updating that judgement as the field itself changes. It is the ability, however difficult, to put instinct into words that others can learn from. And it is the honesty to know exactly where your own expertise runs out.
The two accountants from Accra started in exactly the same place. What separated them, in the end, was never the paper on the wall. It was everything they did after they earned it.
This is one of the ideas explored in more depth in my book, From Expertise to Influence: How Professionals Become Trusted Voices in Their Fields, available now at www.asarebediakoadams.com.