December 19, 2016
In 1994, Mary Miller and her husband, Tony, decided to grow their cleaning company. They hired a consultant to help show them the way. Two days later, the consultant fired them.

“I can’t help you,” he told Mary, the CEO of Cincinnati-based JANCOA Janitorial Services. “You’ve got a people problem: You don’t have enough of them.”

He pointed out that he...