One of the biggest misconceptions in business is that the best technical person will naturally become the best manager. Unfortunately, it rarely works that way. A talented engineer becomes an Engineering Manager. A skilled accountant is promoted to Finance Manager. A successful salesperson is asked to lead the sales team.
The promotion makes perfect sense. After all, they've proved they can do the job. But managing people is a different job altogether.
Many years ago, the American management expert Robert Katz introduced what is still one of the most influential ideas in management. He argued that effective managers need three types of skills:
Technical skills – knowing how to do the work.
Human skills – working effectively with people.
Conceptual skills – seeing the bigger picture and thinking strategically.
What many organisations overlook is that the importance of these skills changes as people move through management.
At front-line management, technical skills matter most. Team leaders and supervisors need to understand the work because they coach others, solve day-to-day problems and support their teams. At middle management, the balance begins to shift. Technical knowledge is still valuable, but human skills become even more important. Managers spend more time coordinating teams, communicating across departments and translating strategy into action.
At senior leadership, conceptual skills become critical. Executives are expected to think beyond day-to-day operations. They shape strategy, manage organisational change, identify future opportunities and make decisions that affect the whole business.
Technical knowledge never stops being useful. But the higher you move, the less your success depends on doing the work yourself and the more it depends on enabling others to succeed.
This is where many organisations unintentionally create what I call the accidental manager. They promote someone because they are technically excellent but never equip them with the leadership and strategic thinking needed for the next level.
The result? Managers become overwhelmed. Teams become confused. Projects lose momentum. Good people become frustrated.
Not because they lack ability, but because they were never given the skills their new role demands.
I've seen this pattern in many organisations. Whether it's a start-up, an SME, an NGO or a multinational company, the challenge is remarkably similar.
One lesson I've learnt is this: Great organisations don't just promote talent. They develop managers.
As Peter Drucker said: "Management is doing things right; leadership is doing the right things." Understanding the difference can transform not only individual careers but the performance of an entire organisation.
Which of these three skills, technical, human or conceptual, do you think is most overlooked in today's managers?