The key to becoming a better leader? Question your assumptions Wharton’s Adam Grant and Dean Erika James share five ways executives can rethink their assumptions about what it means to be a good business leader. When Wharton professor Adam Grant sat down to write his new book, “Think Again: The Power of Knowing What You Don’t Know,” he wanted to make the case for why executives should reconsider their approaches to how to manage people in a modern workplace and embrace new ideas, based on systematic evidence. Wharton’s Adam Grant and dean Erika James. (Image: Courtesy of Wharton Stories)