Sylvia Ann Hewlett is an economist and the founder and CEO of the Center for Talent Innovation, a nonprofit think tank. She founded and chairs the Task Force for Talent Innovation, 80 global companies focused on fully realizing the new streams of talent in the global marketplace. For nine years she directed the Gender and Policy Program at Columbia University's School of International and Public Affairs and is ranked #16 on the "Thinkers 50" listing of the world's top business gurus. She is the author of 11 Harvard Business Review articles and ten critically acclaimed nonfiction books including Off-Ramps and On-Ramps; Winning the War for Talent in Emerging Markets; and in 2013, Forget a Mentor, Find a Sponsor (Harvard Business Review Press). Her writings have appeared in The New York Times and Financial Times, and she is a featured blogger on HBR.org. She is a frequent guest on television, appearing on Oprah, The News Hour with Jim Lehrer, Charlie Rose, the Today show and CNN Headline News. Hewlett has taught at Cambridge, Columbia, and Princeton universities. A Kennedy Scholar and graduate of Cambridge University, she earned her PhD in economics at London University.