On April 24, a delegation from the Singapore-based ADMM Cybersecurity and Information Center of Excellence (ACICE) visited the Center for International Security and Strategy (CISS) at Tsinghua University. The two sides engaged in in-depth discussions on topics including global AI governance and China-ASEAN AI cooperation. The meeting was chaired by Xiao Qian, Deputy Director of CISS and Vice Dean of the Institute of International AI Governance. Participants from CISS included Xu Weidi, former researcher at the Strategic Studies Institute of the National Defense University; Zhang Ling, former associate professor at the National Security College of the National Defense University; and Sun Chenshuo, a special expert of the China Forum.

On the morning of April 11, 2025, Richard McGregor, Senior Fellow for East Asia at the Lowy Institute, led a delegation to visit the Center for International Security and Strategy (CISS) at Tsinghua University. The delegation also included Sam Roggeveen, Director of the International Security Program at the Lowy Institute, and Susannah Patton, Director of the Southeast Asia Program.

From April 9 to 12, Prof.DA Wei, Director of the Center for International Security and Strategy (CISS) at Tsinghua University, attended the 10th Delphi Economic Forum in Delphi, Greece.

On April 3, 2025, the Student Association of International Strategic Studies (SAISS) at Tsinghua University hosted a special lecture titled “Strategic Choices Amid Global Transformation: The Evolution of China-Russia Relations and Lessons from the Russia-Ukraine Conflict”. The event was supported by the Center for International Security and Strategy (CISS) at Tsinghua University and the Global Competence Development Guidance Center for Tsinghua Students. Dr. Song Bo, Assistant Research Fellow at CISS, delivered the lecture to over 30 faculty members and students in attendance.

On April 3, a delegation from the Brookings Institution visited the Center for International Security and Strategy (CISS) at Tsinghua University. The two sides held in-depth discussions on a range of topics, including the current international landscape, China-U.S. people-to-people exchanges, artificial intelligence, and recent U.S. tariff measures against global trade partners.

On March 27–28, XIAO Qian, Deputy Director of the Center for International Security and Strategy (CISS) at Tsinghua University and Deputy Director of the Institute for International Governance of Artificial Intelligence, was invited to attend the inaugural “Global AI Safety and Ethics” International Symposium held at the Palais des Nations in Geneva, Switzerland. The event was organized by the United Nations Institute for Disarmament Research (UNIDIR). Its aim was to bring together experts from governments, industry, academia, and civil society to jointly explore and address the complex implications of artificial intelligence (AI) for international security.

At 8:00 a.m. Beijing time on March 29, the second plenary session of the 2025 “Tsinghua-Yale Youth Dialogue” series, co-hosted by the Center for International Security and Strategy (CISS) at Tsinghua University and the Paul Tsai China Center at Yale Law School, was officially held. This marks the third time that CISS and the Yale China Center have jointly organized the “Tsinghua-Yale Dialogue” series.

On the morning of April 1st, a student delegation from Mathias Corvinus Collegium (MCC) of Hungary visited Tsinghua University and Center for International Security and Strategy(CISS). They engaged in in-depth discussions with CISS faculty and student representatives on current international relations issues.

At noon on March 18, 2025, a delegation from the UK Foreign, Commonwealth & Development Office (FCDO), led by Deputy Chief Research Analyst and Senior Chief Research Analyst Christopher Bond, visited the Center for International Security and Strategy (CISS) at Tsinghua University. The delegation included Dan Carruthers, Head of the China and Indo-Pacific Strategic Stability Team at the FCDO’s Security Policy Department; Henna Chauhan, Senior Officer for Indo-Pacific Strategic Stability at the Security Policy Department; Isabel Ayton, First Secretary of the Science and Technology Section at the British Embassy in China; and Tom Bromly, Second Secretary of the Political Section at the British Embassy in China.

On the afternoon of February 25, Arend Wulff, Head of the Political Section at the German Embassy in China, visited the Center for International Security and Strategy (CISS) at Tsinghua University, accompanied by Deputy Head Marian Gordzielik and Policy Officer Canan Gündüz. CISS Director Da Wei, Associate Research Fellow Sun Chenghao, and Assistant Research Fellow Shi Yan participated in the discussion. Both sides engaged in an in-depth exchange on topics including China-U.S. relations, U.S.-Europe relations, China-Germany relations, and the Ukraine crisis.

On January 9-10, Professor DA Wei, Director of the Center for Strategic and Security Studies (CISS) at Tsinghua University, traveled to Singapore to participate in the Regional Outlook Forum 2025 hosted by the Yusuf Isa Institute of Southeast Asian Studies (YSIAS), where he served as a guest speaker for the first session of the conference.From January 11-26, Da Wei served as a Senior Visiting Scholar at the Rajaratnam School of International Studies (RSIS) at the Nanyang Technological University, Singapore (NTU). （From January 11 to 26, Davy was a Senior Visiting Scholar at the Rajaratnam School of International Studies (RSIS) of the Nanyang Technological University (NTU) in Singapore, where he had extensive contacts with Singaporean strategists and academics.

On December 24, Dmytro Yefremov, Associate Professor of the Department of International Relations, National University of Kyiv-Mohyla Academy, visited CISS and had a dialogue with CISS experts Da Wei, Zhou Bo, Song Bo, and Wang Congyue; Kang Jie, Deputy Director and Associate Research Fellow at the Department for European-Central Asian Studies, China Institute of International Studies; Wang Siyu, Assistant Research Fellow at the Shanghai Institute of Global Governance and Regional Countries, Shanghai International Studies University; and Shi Jing, Assistant Research Fellow at the Center for Eurasian Studies of the Institute for International and Area Studies, Tsinghua University, on “Future of the Ukraine Crisis.”