One of the leading business thinkers in the world offers a bold, new theory of advanced leadership for tackling the world's complex, messy, and recalcitrant social and environmental problems. Over a decade ago, renowned innovation expert Rosabeth Moss Kanter co-founded and then directed Harvard's Advanced Leadership Initiative. Her breakthrough work with hundreds of successful professionals and executives, as well as aspiring young entrepreneurs, identifies the leadership paradigm of the future: the ability to "think outside the building" to overcome establishment paralysis and produce significant innovation for a better world. Kanter provides extraordinary accounts of the successes and near-stumbles of purpose-driven men and women from diverse backgrounds united in their conviction that p