Man, have I made mistakes in business. At first, I tried to blame market timing, branding, positioning, and many other reasonable scapegoats. Finally, however, I came to the gut-punching realization that I wasn’t the leader...

If you’ve been in the entrepreneurial stratosphere over the past three or four years, chances are you’ve heard the term “mastermind” more times than you can count. Maybe it has piqued your interest, or maybe...