David J. Keegan is an adjunct lecturer in the Chinese Studies Program at Johns Hopkins SAIS. He currently also teaches area studies courses on China, Northeast Asia, and the Pacific at the StateDepartment Foreign Service Institute. Previously, Keegan served as a Foreign Service Officer in the U.S. State Department for thirty years, specializing in China, Taiwan, and the Asia Pacific region. He served in Jamaica, Korea, China, Taiwan, Singapore, and New Zealand, and was Deputy Director of the American Institute in Taiwan and Deputy Chief of Mission and Chargé at the U.S. Embassy in New Zealand. Keegan has published “The Taiwan RelationsAct: StillEssential in Changing Times” with the Wilson Center and holds a Ph.D. in Chinese History from the University of California, Berkeley.