Leadership is less about having all the answers than about asking the right questions. Harvard Business School professor Robert Kaplan says in his book What to Ask the Person in the Mirror that the challenge lies in being able to step back, reflect, and ask the key questions that are critical to your performance and your organization’s effectiveness.

Kaplan is a professor of management practice at Harvard Business School and former vice chairman of the Goldman Sachs Group. He is co-chairman of Draper, Richards, and Kaplan, a global venture philanthropy firm.