He is the author of Chinese Christians in America: Conversion, Assimilation, and Adhesive Identities (Penn State University Press 1999), the co-editor (with Tony Carnes) of Asian American Religions: The Making and Remaking of Borders and Boundaries (New York University Press 2004), and the co-editor (with Joseph B. Tamney) of State, Market, and Religions in Chinese Societies (Brill Academic Publishers 2005) and Conversion to Christianity among the Chinese (a special issue of the Sociology of Religion: A Quarterly Review, 2006). His articles have been published in books and in the American Sociological Review, Journal for the Scientific Study of Religion, Sociology of Religion, Amerasia Journal, Journal of Asian American Studies, the Sociological Quarterly, and Asia Policy, including one that won the “2002 Distinguished Article Award” of the Society for the Scientific Study of Religion (“Transformations in New Immigrant Religions and Their Global Implications”) and one that won “2006 Distinguished Article Award” of the American Sociological Association’s Section of the Sociology of Religion (“The Red, Black, and Gray Markets of Religion in China”). His current research focuses on the political economy of religion in China, Christian ethics and market transition in China, faith and trust among business people in China, and Chinese Christian churches in the United States. He has given many invited lectures at universities and the Smithsonian Institution, and has been interviewed by the Washington Post, Seattle Times, Los Angeles Times, etc. and some newspapers in Asia.