Leonard Sax, M.D., Ph.D., is founder and executive director of the National Association for Single Sex Public Education (NASSPE). His scholarly work has been published in a variety of prestigious journals, including American Psychologist, Educational Horizons, Behavioral Neuroscience, and the Journal of the American Medical Association. He has been a featured guest on CNN, PBS, ?The Today Show,” ?Fox News,” NPR’s ?Talk of the Nation,” and many other national programs. He lives with his wife and daughter in suburban Philadelphia.