John L. Esposito, Ph.D., is a leading expert on the Muslim world. He is a university professor and a professor of religion and international affairs and of Islamic studies at Georgetown University and the founding director of Georgetown's Prince Alwaleed Bin Talal Center for Muslim-Christian Understanding in the Walsh School of Foreign Service. Dalia Mogahed is a Senior Analyst and Executive Director of the Gallup Center for Muslim Studies. She leads the analysis of Gallup's unprecedented survey of more than one billion Muslims worldwide. Mogahed also directs the Muslim-West Facts Initiative (www.muslimwestfacts.com), through which Gallup, in collaboration with The Coexist Foundation, is disseminating the findings of the Gallup World Poll to key opinion leaders in the Muslim World and the West.