Director of NYU Shanghai-ECNU Center on Global History, Economy and Culture; Distinguished Global Network Professor of History, NYU Shanghai;

Global Network Professor, NYU;

Zijiang Distinguished Visiting Professor, East China Normal University;

Michael J. Zak Professor of History for US-China Relations at Cornell University (Emeritus)

Vice Rector (Student Affairs) (2019-2022), University of Macau (UM)

Chair Professor of History, UM (2019-2022)

Adjunct Chair Professor, Faculty of Law (by courtesy) , UM (2022-2025) 

Interim Director, Institute of Advanced Studies in Humanities and Social Sciences, UM (2019-2022)

Chair Professor of Humanities, The Hong Kong University of Science and Technology (2011-2019)

Chair Professor of History, The Chinese University of Hong Kong (2005-2011)

Associate Pro-Vice-Chancellor, The Chinese University of Hong Kong (2004-2008)

Director of NYU Shanghai-ECNU Center on Global History, Economy and Culture; Distinguished Global Network Professor of History, NYU Shanghai;

Global Network Professor, NYU;

Zijiang Distinguished Visiting Professor, East China Normal University;

Michael J. Zak Professor of History for US-China Relations at Cornell University (Emeritus)