Michael Gurian is the pioneer and still leading authority in the Boy's Movement, the NY Times best-selling author of The Wonder of Boys, The Minds of Boys, and The Purpose of Boys, the definitive trilogy in the field and the classic, ten year old Boys and Girls Learn Differently, which launched the entire same-or-separate sex classroom controversy.  He is cofounder of the Gurian Institute, an active research and training organization in the field of family development, education, and gender studies that has trained 50,000 teachers throughout the world, including China, France, Canada, Qatar, and South Korea.