Dan Heath is an American bestselling author, professional speaker, and professor. He, with his brother Chip, co-authored three books, Switch, Made to Stick, and Decisive. He’s a columnist on Fast Company magazine. Made to Stick was named Best Business Book of the Year, and was on the BusinessWeek bestseller list for 2 years. He is a senior fellow at Duke University and founded the Change Academy, which looks at boosting the impact of social sector leaders.