He arrived at BD through an acquisition, left, and came back. Tom Polen’s career offers a close look at how a company changes - and how its leader persuades people to change with it.

He learned to sell at a roadside vegetable stand, learned to lead at GE, then left for sixteen years. His return came with an unusual assignment: help a familiar business learn to stand on its own.

He took apart General Electric. Larry Culp’s career is a long education in getting a little better by paying attention to what is right in front of him.

The Ease.io CMO has spent more than 20 years moving from brand campaigns to enterprise software. Her sharpest idea is also her simplest: marketing should work like a good production system - visible, useful and built to improve.