Hugh B. Urban is a professor in the Department of Comparative Studies at Ohio State University. He is primarily interested in issues of religious secrecy, particularly in relation to questions of knowledge and power. He is the author of nine books, including The Economics of Ecstasy: Tantra, Secrecy and Power in Colonial Bengal (2001), Tantra: Sex, Secrecy, Politics and Power in the Study of Religion (2003), Magia Sexualis: Sex, Magic and Liberation in Modern Western Esotericism (2005), and  The Church of Scientology: A History of a New Religious Movement (2011).