Tong ZhaoAs a Senior Fellow at Carnegie Endowment of International Peace, Tong Zhao has worked extensively in both China and the United States on nuclear non-proliferation and arms control issues. With a technical background, he also serves as a nonresident researcher at Princeton University’s Science and Global Security Program. He is the author of Political Drivers of China’s Changing Nuclear Policy: Implications for U.S.-China Nuclear Relations and International Security, Tides of Change: China’s Nuclear Ballistic Missile Submarines and Strategic Stability and Narrowing the U.S.-China Gap on Missile Defense: How to Help Forestall a Nuclear Arms Race.