Working with Bill Gates could be exhilarating and often stressful but always educational. He was always passionate about the issue at hand, no matter how small, and his attention to minute detail ...

Former Kmart store in Huntington, New York. Photo: Getty Images The worst job I ever had was for Kmart. Even though I was 19 and my previous jobs were fast food, I learned what not to do far more than ...

Opinions expressed by Entrepreneur contributors are their own. The way I manage companies has always deviated philosophically from standard textbook practices. Related: How Poor Management Creates ...