Leading Your Best Life with Leigh Farnell
Aug 26, 2026 · 23 min · 10 segments
**Why Star Salespeople Make Terrible Managers** **Hook:** Why promoting your top rep might be the most expensive mistake your company is making—and how to build a real runway for leadership…
Leigh FarnellHost
OK, let's untack this because the numbers we are pulling from these reports are genuinely shocking.
They really are.

So according to data from the Chartered Management Institute and YouGov, which you bricks I highlighted in their report.
Eighty two percent of managers enter their roles with zero formal training.
Zero.
They are literally just handed a new title on Friday and expected to lead a team on Monday morning.
Yeah.
Gallup found that 50 percent of all employees leave their jobs simply to get away from their manager.
Half.
Half of them.
And in the sales world, it's the bleeding is even worse.
Right.
And other major consultancies peg that turnover rate closer to 60 or 70 percent.

If we connect this to the bigger picture, it requires a total paradigm shift in how companies think about retention and culture.
How so?

Well, leadership teams spend endless hours obsessing over compensation structures or modern office layouts and flexible work policies.
Oh, yeah, the ping pong tables and the cold brew on tap.

Yet Gallup's analysis across 2.7 million employees reveals that the manager accounts for at least 70% of the variance in team engagement.
The perks are ultimately irrelevant if the daily environment is toxic or unsupportive.
I mean, the manager is the single biggest variable in the entire corporate ecosystem.

OK, let's untack this because the numbers we are pulling from these reports are genuinely shocking.
They really are.

So according to data from the Chartered Management Institute and YouGov, which you bricks I highlighted in their report.
Eighty two percent of managers enter their roles with zero formal training.
Zero.
They are literally just handed a new title on Friday and expected to lead a team on Monday morning.
Yeah.
Gallup found that 50 percent of all employees leave their jobs simply to get away from their manager.
Half.
Half of them.
And in the sales world, it's the bleeding is even worse.
Right.
And other major consultancies peg that turnover rate closer to 60 or 70 percent.

If we connect this to the bigger picture, it requires a total paradigm shift in how companies think about retention and culture.
How so?

Well, leadership teams spend endless hours obsessing over compensation structures or modern office layouts and flexible work policies.
Oh, yeah, the ping pong tables and the cold brew on tap.

Yet Gallup's analysis across 2.7 million employees reveals that the manager accounts for at least 70% of the variance in team engagement.
The perks are ultimately irrelevant if the daily environment is toxic or unsupportive.
I mean, the manager is the single biggest variable in the entire corporate ecosystem.
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