Sylvia Ann Hewlett is an economist and the founding president of the Center for Work-Life Policy (a nonprofit think tank), where she leads the “Hidden Brain Drain” Task Force, a group of 50 global companies and organizations committed to fully realizing female and multicultural talent. She also directs the Gender and Policy Program at the School of International and Public Affairs, Columbia University and is a member of the World Economic Forum’s Global Agenda Council on the Gender Gap. She is the author of six Harvard Business Review articles and nine critically acclaimed nonfiction books including Off-Ramps and On-Ramps and, most recently, Top Talent: Keeping Performance Up When Business Is Down. She has taught at Cambridge, Columbia and Princeton universities and held fellowships at the Institute for Public Policy Research in London and the Center for the Study of Values in Public Life at Harvard. She is a featured blogger on HarvardBusiness.org and ForbesWoman. A Kennedy Scholar and graduate of Cambridge University, Hewlett earned her PhD in economics at London University.