Sieren Ernst

CEO & Co-founder Climate Cost Project/Principal at Ethics & Environment

Simon Lacey

Head of Digital Trade and Geopolitics at World Economic Forum

Sourabh Gupta

Senior Fellow, Institute for China-America Studies

Stapleton Roy

Director, Kissinger Institute

Stephen Harner

Former US State Department Official

Stephen Nagy

Professor, Department of Politics and International Studies at the International Christian University

Stephen Roach

Senior Fellow, Yale University

Steven Hill

Senior Fellow, FairVote

Steven Stashwick

Independent writer and researcher

Stewart Taggart

Founder & Principal, Grenatec

Su Jingxiang

Fellow, China Institutes for Contemporary International Relations

Su Qingyi

Deputy Director of International Trade Division, Institute of World Economics and Politics, Chinese Academy of Social Sciences

Su Xiaohui

Deputy Director of Int'l & Strategic Studies, CIIS

Sudarshan Ramabadran

Policy Specialist, Author, and International Communications & Public Diplomacy Professional

Sujit Kumar Datta

Former Chairman of Department of International Relations, University of Chittagong, Bangladesh

Sun Bingyan

Vice Director of Research Center for Intellectual Property and Technological Security, University of International Relations

Sun Chang

Research Assistant at Institute for Southeast Asian and Oceanian Studies, China Institutes of Contemporary International Relations

Sun Chenghao

Fellow, Center for International Security and Strategy of Tsinghua University; Munich Young Leader 2025

Sun Lijian

Associate Professor, Fudan University

Sun Ru

Research Professor & Deputy Director, CICIR

Sun Zhe

Co-director, China Initiative, Columbia University; Senior Research Fellow, Institute of State Governance Studies, Beijing University

Susan Ariel Aaronson

Research Professor of International Affairs, Elliott School of International Affairs, GWU

Susan Brownell

Professor, University of Missouri-St. Louis

Susan Chan Shifflett

Program Associate, Wilson Center’s China Environment Forum

Susan St.Denis

Master’s Student in Chinese Politics, Tsinghua University

Tan Yannan

Research Assistant of U.S.-Europe Program at Center for International Security and Strategy, Tsinghua University

Tang Lan

Deputy Director, Institute of Information and Social Development, CICIR

Tang Xinhua

Associate Researcher, Tsinghua University’s Institute of International Relations

Tao Wenzhao

Honorary Member of the Chinese Academy of Social Sciences; Fellow, CASS Institute of American Studies