She received her PhD (2007), MA (2004), and BA (1998) in international relations, history, and journalism, respectively. She did research work at the Chinese University of Hong Kong in 2006, and was sponsored by the Billy Graham Evangelistic Association and East Gates International to do research at Wheaton College in 2007. In 2008, she was an invited fellow in the Asian Christian Higher Education program, which is sponsored by the United Board for Christian Higher Education in Asia. Dr. Tu is author of American Evangelicals and International Relations (Shanghai People's Publishing House, Shanghai, forthcoming), as well as several articles and papers on religion and international relations, religion and politics in the U.S., and the history of Christianity in China.