Clayton Christensen is the Kim B. Clark Professor of Business Administration at the Harvard Business School, where he teaches one of the most popular elective classes for second year students, Building and Sustaining a Successful Enterprise. He is regarded as one of the world’s top experts on innovation and growth and his ideas have been widely used in industries and organizations throughout the world. Brother Christensen is the best-selling author of nine books and more than a hundred articles. His first book, The Innovator’s Dilemma received the Global Business Book Award as the best business book of the year (1997); and in 2011 The Economist named it as one of the six most important books about business ever written. His other articles and books have received the Abernathy, Newcomen, James Madison, and Circle Prizes. He is a five-time recipient of the McKinsey Award, given each year to the two best articles published in the Harvard Business Review; and has received the Lifetime Achievement Award from the Tribeca Films Festival (2010). He has served on the Boy Scouts of America for 25 years as a scoutmaster, cubmaster, den leader, troop and pack committee chairman. He and his wife Christine live in Belmont, Massachusetts. They are the parents of five children and grandparents to five grandchildren.