In December 2025, CISS Youth at the Center for International Security and Strategy (CISS), Tsinghua University, organized a series of group exchange activities under the “Academic Partners” program. Centered on talent cultivation, the program encourages members of CISS Youth to form “academic partnerships” with CISS research fellows, engaging jointly in academic research and practical activities to enhance students’ research capacity and practical skills. Conducted on a group basis, the exchange activities focused on frontier topics such as international politics, technological competition, and major power relations. Through a format combining presentations, faculty guidance, and open discussion, participants engaged in in-depth exchanges on academic challenges, career planning, and personal development. The activities effectively strengthened communication and mutual understanding among academic partners and yielded positive outcomes.

On January 5, the Students of CUSEF Spring Festival Exchange Program visited Tsinghua University and participated in a China–U.S. youth exchange event hosted by the Center for International Security and Strategy (CISS) at Tsinghua University. The event was moderated by Guo Jia, Director of International Exchange and Cooperation at CISS. Nearly 30 young students from China and the United States engaged in in-depth discussions on topics including current trends in China–U.S. relations and the responsibilities and roles of youth in global governance.

On December 28, 2025, the Center for International Security and Strategy (CISS) at Tsinghua University and the Center for Global Competence Development for Students (CGCD) jointly hosted the Sixth International Affairs Workshop.

At noon on December 23, Viet Nam Union of Friendship Organizations (VUFO) visited Center for International Security and Strategy (CISS). The two sides engaged in in-depth discussions on the current trajectory of China-Vietnam relations, the state of people-to-people diplomacy between the two countries, and potential directions for future cooperation.

​On December 26, 2025, Center for International Security and Strategy (CISS) convened its 2025 Year-End Seminar. More than 40 scholars and experts including members of the Center’s Academic Committee,

On December 19, 2025, the Center for International Security and Strategy (CISS) hosted a roundtable seminar on the situation on the Korean Peninsula. More than 20 experts and scholars from China and the Republic of Korea participated in in-depth exchanges and discussions on key issues including developments on the Korean Peninsula, security risks, and regional cooperation.

On the morning of December 6, a delegation from the National Research University Higher School of Economics (HSE University), Russia, visited the Center for International Security and Strategy (CISS) at Tsinghua University. The two sides held discussions on global artificial intelligence governance, China–Russia cooperation on artificial intelligence, and collaboration between universities in AI-related research.

From December 4 to 5, 2025, the Seminar on the Responsible Use of Technology in Humanitarian Action was held in Beijing. The event was co-organized by the Center for International Security and Strategy (CISS), Tsinghua University, and the International Committee of the Red Cross (ICRC). More than 80 experts and scholars from China, the Netherlands, Switzerland, Sweden, Luxembourg, Russia, the Republic of Korea, and other countries participated in the discussions.

From November 17 to 18, 2025, the 6th Hong Kong US-China Forum was held in Hong Kong, jointly organized by the China-US Exchange Foundation (CUSEF) and the Chinese People’s Association for Friendship with Foreign Countries (CPAFFC). The forum brought together political leaders, scholars, and business figures from multiple countries to discuss peace and development in US-China relations. Twelve CISS Youth from the Center for International Security and Strategy (CISS) at Tsinghua University were invited to participate, engaging in in-depth discussions with experts on artificial intelligence, US-China relations, and cultural exchange. They also successfully hosted a Youth Leaders Special Side Event, bringing together youth representatives from around the world to discuss the future of US-China relations and demonstrate the global perspective and intellectual depth of contemporary Chinese youth.

On November 21, 2025, a delegation from the U.S. Atlantic Council visited the Center for International Security and Strategy (CISS) at Tsinghua University, exchanging views with Chinese experts on issues of mutual concern in U.S.-China relations. The meeting was hosted by Da Wei, Director of CISS and Professor in the Department of International Relations.

From November 16 to 19, 2025, the U.S.-China People's Dialogue 2025: Bridging Divides, Seeking Consensus was successfully held in Los Angeles, USA. The event was jointly organized by the Center for International Security and Strategy (CISS) at Tsinghua University and the National Committee on U.S.-China Relations (NCUSCR).

On November 10, 2025, a delegation from the Centre for Humanitarian Dialogue (HD) visited the Center for International Security and Strategy (CISS) at Tsinghua University to jointly hold the “China-Europe Strategic Dialogue.” Experts and scholars from China and Europe engaged in in-depth discussions on China-Europe relations, economic cooperation, and security issues in the context of the shifting global landscape.