From June 16 to 17, Sun Chenghao, Associate Research Fellow at the Center for International Security and Strategy (CISS) at Tsinghua University, was invited to attend a two-day workshop at the Stockholm International Peace Research Institute (SIPRI) in Sweden.

In late May 2025, Niu Qiyang, Ph.D. Research Fellow at the Center for International Security and Strategy (CISS), completed a year-long fellowship with the Arms Control Negotiation Academy (ACONA) and was awarded the program’s Best Paper Prize. Representing the 2024–25 ACONA cohort, Niu spoke at the University of Iceland’s conference titled “New Domains Dialogue: Technology and Conflict in a Changing Geopolitical Order” in Reykjavik.

​On June 24–25, 2025, Da Wei, Director of the Center for International Security and Strategy (CISS) at Tsinghua University, and Wen Jing, Postdoctoral Fellow at the Center, were invited to participate in the World Economic Forum’s Annual Meeting of the New Champions 2025 (Summer Davos Forum) held in Tianjin.

At the invitation of the Norwegian Ministry of Foreign Affairs and the Centre for Humanitarian Dialogue (HD) in Switzerland, Da Wei, Director of the Center for International Security and Strategy (CISS) at Tsinghua University, and Niu Qiyang, PhD researcher at CISS, attended the 22nd Oslo Forum in Oslo, Norway, on June 11–12, 2025. This year’s forum was held under the theme “Cooperation in Conflict Mediation: Navigating a Changing World.”

From June 14 to 18, 2025, the inaugural Global South Economic Forum (GSEF 2025) was held in Abu Dhabi, the capital of the United Arab Emirates. Wen Jing, postdoctoral fellow and assistant researcher at the Strategic and Security Studies Center of Tsinghua University, and Director of Media Communication at the China Forum, was invited to attend as a representative Chinese scholar. She also chaired the sub-forum titled “Decolonizing Media Narratives: Empowering Voices and Perspectives.”

At the invitation of the International Institute for Strategic Studies (IISS) in London, Professor Da Wei, Director of the Center for International Security and Strategy (CISS) at Tsinghua University, and Zhou Bo, CISS Research Fellow and China Forum Special Expert, attended the 22nd Shangri-La Dialogue in Singapore from May 30 to June 1.

From May 26 to 27, Dr. Sun Chenghao,Fellow at the Center for International Security and Strategy (CISS), Tsinghua University, visited Yonsei University in South Korea at the university’s invitation. During the visit, Dr. Sun held meetings with the Graduate School of International Studies (GSIS), Underwood International College, and the Institute of China Studies at Yonsei University. He engaged in in-depth discussions with faculty and students, including Professor Kim Dongchan of GSIS and Professor Jiamin Jeon of Underwood International College, on topics such as Track II diplomacy, U.S.-China relations, artificial intelligence, and international security governance.

From May 21 to 22, Dr. Sun Chenghao, Associate Research Fellow at the Center for International Security and Strategy (CISS), Tsinghua University, was invited to attend the 31st Stockholm China Forum in Sweden. As a speaker in the opening session, Dr. Sun delivered remarks and engaged with questions from the audience.

On May 23, Kyung-wha Kang, President and CEO of the Asia Society, visited the Center for International Security and Strategy (CISS) at Tsinghua University. She was accompanied by Qian Jing, Vice President of the Asia Society and Co-Founder and Director of the Asia Society Center on China, as well as Ma Wenxuan, Operations and Program Officer at the China Center. The two sides exchanged views on current China-U.S. relations as well as key international and regional issues.

On May 20, 2025, Ollie Shiell, CEO and Co-Founder of the UK National Committee on China (UKNCC), visited the Center for International Security and Strategy (CISS) at Tsinghua University. He held in-depth discussions with Professor Da Wei, Director of CISS and faculty member of the Department of International Relations, on China-UK relations and major global issues.

On May 17, 2025, the "Tsinghua-Penn Student Dialogue" was successfully held at the International Culture xSpace, New Tsinghua Xuetang of Tsinghua University. Co-hosted by the Center for International Security and Strategy (CISS) at Tsinghua University and the "Project on the Future of U.S.-China Relations" at the University of Pennsylvania, the event brought together nearly 50 student representatives from countries including China, the United States, Russia, South Korea, India, Indonesia, and Belarus.

From April 26 to 27, 2025, Dr. Dong Ting,Fellow at the Center for International Security and Strategy (CISS), Tsinghua University, was invited to attend the Singapore Conference on Artificial Intelligence (SCAI). Nearly one hundred researchers in AI technology, industry, and policy from over a dozen countries including Singapore, the United States, the United Kingdom, France, Germany, Italy, China, Japan, and South Korea participated in the conference. They gathered to identify and advance priorities for shaping safe and trustworthy AI.