Most of us think of leaders as courageous risk takers, orchestrators of major events. In a word: heroes. Although such figures are inspiring, Joseph Badaracco argues that their larger-than-life accomplishments are not what makes the world work. What does, he says, is the sum of millions of small yet consequential decisions that individuals working far from the limelight make every day. Badaracco calls them «quiet leaders»–people who choose responsible, behind-the-scenes action over public...