Sally Helgesen''s work is widely regarded as the gold standard when it comes to women''s leadership. Since the publication ofThe Female Advantagein 1990 (still in print), she has written five more books in the field and speaks to audiences all around the world about these issues. Clients have included Microsoft, IBM, Johnson & Johnson, Prudential Financial, Pfizer, Textron, Hewlett Packard, The World Bank, and dozens more. She has led seminars at the Harvard Graduate School of Education and Smith College, and her work has been featured inFortune, theNew York Times, Fast Company, andBusiness Week. She lives in Chatham, New York.

Marshall Goldsmithis America''s preeminent executive coach. He is among a select few consultants who have been asked to work with more than sixty CEOs. His clients have included many of the world''s leading corporations. He has helped to implement leadership development processes that have impacted more than one million people around the world. He has a Ph.D. from UCLA and is on the faculty of the executive education programs for Dartmouth College and the University of Michigan. The American Management Association recently named him as one of fifty great thinkers and business leaders over the past eighty years.