Just a few years ago, when Tiffanie Mark was working at a less-than-satisfying corporate job in Milwaukee, she began recognizing a pattern among her colleagues. Like her, many of them wanted to take their careers in new directions. But they didn’t have the money, the network, the space or the know-how.

It got her thinking: What if such like-minded people were to rent or buy an office together and share it?

“I was a teen parent, a single parent, and raising kids by yourself teaches you to be more resourceful,” said Mark. “I just kind of naturally applied that to, ‘Let’s start our businesses that way.'” Read the full story here.