In business, it’s important to know your target market intimately, and Carmyn Robey certainly does. By age 14, she weighed 260 pounds and was a size 24. “One day I made up my mind that I was tired of being depressed,” says Robey. “I started researching information about nutrition. Over...

Some say print media is as dead as disco; but don’t tell that to Brittany K. Earls. Taking her best shot at magazine mogulhood at a time when many publications are slashing staff or shutting down, Earls, now 25, launched Genesis in October 2009—and has never looked back. Well, for the...