Ram Charan is a CEO advisor and the author or coauthor of more than 30 books that have sold over four million copies and include Execution, which spent 150 weeks on the New York Times bestseller list. Charan earned MBA and doctorate degrees from Harvard Business School, where he graduated with high distinction and taught as a faculty member. A noted expert and award-winning teacher of business strategy, execution, and leadership, he works with the CEOs of some of the world’s most successful companies, including Toyota, Bank of America, Humana, and two of the four largest digital companies in China.