Hugh B. Urban is a professor of religious studies in the Department of Comparative Studies at Ohio State University. He is interested in the role of secrecy in religion, particularly in relation to questions of knowledge and power. His two main areas of research are religions of South Asia and new religions in the United States. He is the author of seven books, including Tantra: Sex, Secrecy, Politics and Power in the Study of Religion (2003) and The Church of Scientology: A History of a New Religion (2011).