On May 19, 2026, a student delegation from Princeton University visited Tsinghua University and participated in a Student Exchange hosted by the Center for International Security and Strategy (CISS). Nearly 40 students from China and the United States engaged in in-depth discussions on the current state, future opportunities, and challenges of China-U.S. relations.

On the morning of May 11, a delegation from the Friedrich-Ebert-Stiftung visited the Center for International Security and Strategy (CISS) at Tsinghua University. The two sides conducted in-depth exchanges on maintaining peace and stability on the Korean Peninsula, regional development in Northeast Asia, and other regional hotspot issues of mutual concern.

On May 8, 2026, the Third Strategic and Policy Research Seminar was successfully held. The seminar was jointly organized by the Center for International Security and Strategy (CISS) at Tsinghua University and the Center for Global Competence Development (CGCD) at Tsinghua University, with support from the Student Association for International Strategy Studies (SAISS) at Tsinghua University. The seminar aimed to help young students aspiring to careers in diplomacy, strategic planning, and international relations research broaden their global perspectives and cultivate strategic thinking. A total of 27 students from institutions including Tsinghua University, Peking University, Renmin University of China, Central Party School of the Communist Party of China, and Beijing Foreign Studies University participated in the event.

On the morning of April 24, a delegation from the Institute for Strategic Studies of Mongolia’s National Security Council visited the Center for International Security and Strategy (CISS) at Tsinghua University. The two sides conducted in-depth exchanges and discussions on topics including China–Mongolia bilateral relations, regional security, and think tank cooperation

On the afternoon of April 21, a delegation from the Quincy Institute for Responsible Statecraft visited the Center for International Security and Strategy (CISS) at Tsinghua University. The two sides engaged in in-depth exchanges on topics including the international order, China–U.S. relations, and regional hotspot issues.

On April 3, a delegation from the ASEAN Defence Ministers’ Meeting Cybersecurity and Information Centre of Excellence (ACICE) and the S. Rajaratnam School of International Studies (RSIS) at Nanyang Technological University, Singapore, visited the Center for International Security and Strategy (CISS) at Tsinghua University.

On the morning of March 25, a delegation from the School of National Security of the People's Public Security University of China visited the Center for International Security and Strategy (CISS) at Tsinghua University.

On March 6, Professor Da Wei, Director of the Center for International Security and Strategy (CISS) at Tsinghua University, was invited to Hong Kong to attend the academic seminar titled “China' s Rising Role in International Mediation: Practice and Mechanism Innovation.”

应英国皇家国际事务研究所（Chatham House）邀请，清华大学战略与安全研究中心主任达巍教授于2月25 - 26日赴英国，参加了该所举办的2026年安全与防务会议。

​From February 8 to 12, 2026, Wu Ken, President of the Chinese People’s Institute of Foreign Affairs (CPIFA), led a delegation to the United States, and co-hosted in New York City the Third Meeting of the China-U.S. Senior-level Track Two Dialogue with the U.S. delegation headed by Evan Greenberg, Executive Vice Chair of the Board of Directors of the National Committee on U.S.-China Relations.

On February 4-5, 2026, the Third Responsible AI in the Military Domain Summit (REAIM Summit 2026) was held in A Coruña, Spain. The summit was jointly hosted by the Spanish Ministry of Foreign Affairs and the Ministry of Defence, with the Netherlands and the Republic of Korea serving as co-hosts. The event brought together government delegations from 85 countries, as well as representatives from international organizations, academia, and industry, to discuss the application and governance of artificial intelligence in the military domain.

On the afternoon of January 13, a delegation from the Royal United Services Institute (RUSI) visited the Center for International Security and Strategy (CISS) at Tsinghua University. The discussion was chaired by Xiao Qian, Deputy Director of CISS. The two sides held an in-depth exchange on key issues at the intersection of artificial intelligence and cybersecurity, with a particular focus on the lawful and malicious uses of AI, as well as its applications in the private sector. Both sides also explored constructive avenues for cooperation in the AI–cybersecurity nexus and agreed that there is significant potential for collaboration in areas such as policy dialogue, academic research, and normative discussions.