How MailChimp's CEO Became the Leader His Company Needed

As a company grows, its needs change -- and that means a leader must change as well. This is commonly accepted wisdom about leadership, but it's easier said than done. MailChimp's founder discovered that when his once-scrappy company reached about 300 employees, and, in an achingly awkward staff meeting, he discovered that he hadn't transformed into the leader those 300 people needed. What followed was a lot of soul-searching, and some very important company changes.