Over the past few years, I've had the privilege of listening to, learning from, and working alongside an extraordinary group of private business owners. These are the kind of people who, in their own quiet way, steer the course of the American economy all the while wrestling with the big, messy questions that come with running a business. Today, on "Tactics from the Owner's Box," I want to tackle one of the trickiest challenges these leaders face: how to build a business that lasts by finding--and incentivizing--the right balance between purpose and performance.