Bill Drayton is founder and CEO of Ashoka: Innovators for the Public and a pioneer of social entrepreneurship. His background includes ten years as a McKinsey and Company consultant and a four-year stint as Assistant Administrator at the U.S. Environmental Protection Agency. Bill also served briefly in the White House, and taught both law and management at Stanford Law School and Harvard's Kennedy School of Government. He is currently involved as board chair of Get America Working! and Youth Venture, both major strategic innovations for the public good.