Summary: In this Master Class episode of "Success! How I Did It," Fortune 500 CEOs and top executives reveal what it takes to reach the top, and how to set yourself up for eventual business world domination in your 20s and 30s. Former Microsoft CEO Steve Ballmer, Facebook COO Sheryl Sandberg, PayPal CEO Dan Schulman and others share the career advice that was invaluable to them on their journies.
