EmeritusProfessorof the Department of History, University of Hong Kong;Guest Professor at Hong Kong Baptist University;Ph.D. from the University of Wisconsin-Madison. He has taught at The Chinese University of Hong Kong, the University of Hong Kong, and the University of Macau.He isinternationallyrenowned as an expert on Russian studies,andserved asDirectorand Senior Consultant of the Russian Centre at the University of Macaufrom 2008 to 2022. Hehas published severalclassic monographs such asWhereEmpires Collided: Russian and Soviet Relations with Hong Kong, Taiwan, and Macao,which have been reprinted multiple times and widely cited, as well as over100journalpapers.