Laura Huang, a preeminent Harvard Business School professor, shows that success is about gaining an edge: that elusive quality that gives you an upper hand and attracts attention and support. Some people seem to naturally have it. Now, Huang teaches the rest of us how to create our own from the challenges and biases we think hold us back, and turning them to work in our favor.

How do you find a competitive edge when the obstacles feel insurmountable? How do you get people to take you...