From 2011 to 2013, Peter Mattis was a Fellow in The Jamestown Foundation's China Program, where he served as editor of the foundation's China Brief, a biweekly electronic publication covering greater China. He formerly worked for the United States as an international affairs analyst. During four years, the government was in charge. Prior to joining the government, Mattis worked as a research associate at the National Bureau of Asian Research, where he assisted with research and editing in the Strategic Asia and Northeast Asian Studies programs. He writes for the Taipei Times, the East-West Center's Asia-Pacific Bulletin, The Diplomat, War on the Rocks, the Asia Society's ChinaFile, the International Journal of Intelligence and Counterintelligence, Studies in Intelligence, and the Washington Journal of Modern China, among other publications.
Defense News, Christian Science Monitor, Financial Times, Wall Street Journal, Sydney Morning Herald, UPI, BBC, and National Public Radio have all published his opinions. He's also spoken about China at Georgetown University, George Washington University, the University of Cambridge, and Taiwan's National Cheng-chi University. Mattis earned his master's degree. B.A.s in Political Science and Asian Studies from the University of Washington in Seattle, and an M.A. in Security Studies from Georgetown University's School of Foreign Service.
He also attended Tsinghua University in Beijing, where he studied Chinese language, history, and security policy.