Before joining Fortune, she was a senior editor at Business Insider. In the past, she’s worked for Adweek, Red Ventures, McGraw-Hill, Pearson, and more. Master Key Skills in Data Mining ...

Jacqueline DeStefano-Tangorra was working full-time as an analyst at a prestigious firm when she decided to take the leap to become a freelancer. Find Out: I'm a Self-Made Millionaire: Here's How ...