Self-effacing and funny, Harvard Business School professor Laura Huang hardly exudes the cutthroat mien you might expect from her impressive credentials, which include a PhD in management from the University of California, Irvine and an INSEAD MBA. Laced with anecdotes like the time Huang was nearly thrown out of Elon Musk's office and examples of unexpected triumphs from leaders like the Soros Fund's CIO Dawn Fitzpatrick, Edge is Huang's primer for how and why entrepreneurs should best employ tools like emotional intelligence. Q: You write a lot about social skills.

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