Want a great place to work? Size does matter.

Inversely.

The Minneapolis/St. Paul Business Journal recently published its annual list of the best Twin Cities places to work, divided into three size categories: small (10 to 100 employees), medium (100 to 1,000) and large (more than 1,000).

Beyond the specifics was a correlation that’s fascinating for its near perfection: With only one exception, company scores have no overlap between size categories: The worst of the best small companies outscored the best of the medium-sized ones, which in turn outscored all but one of the large ones.

If you want to work in a truly great environment, your only chance lies with small companies.

This is a tale of three departures and their lessons for IT leaders.

Departure #1 is Steven Slater. In case you’ve been living in a cave, Slater, a JetBlue flight attendant, experienced an intense customer relationship opportunity with a passenger who retrieved her luggage before the plane reached the gate.

That’s when Slater achieved greatness: