When a first-line manager role opens, the easy choice is the top name on the ranking.
It feels fair. It rewards results. Nobody can argue with the number.
In my experience, it is also one of the most common ways to lose a great rep and gain a struggling manager.
Selling is about your own calls. Managing is about everyone else's.
So when I look at candidates, I look for different evidence.
- Who do the other reps call when a doctor says no?
- Who helped the new joiner through the first month without being asked?
- Who can watch a call and say one useful thing, instead of taking over?
The interview question changes too. Not "How did you win that account?" but "Tell me about a colleague you helped improve."
This does not mean top sellers never become good managers. Some do, and brilliantly. It means the number alone does not tell you.
And when the answer is not yet, the conversation matters. A strong seller deserves a real path: senior rep, key accounts, a project they care about. A promotion is not the only way to say "you matter here".
“Promote for the job they will do, not the job they did.”
Lesson 9 of 17 in Step 5: Building the organisation, with the full guide and a checklist for this week.