Dr. Wong has been playing a pivotal role in haematology and transfusion practice in the public hospital system in Hong Kong. He is currently the Convenor of the Haematology Working Group and the Chairman of the Central Committee on Transfusion Service. He is also the co-chairperson of the Expert Panel on Patient Blood Management.

Dr. Wong is the President-elect of the Asia-Pacific Society on Thrombosis & Hemostasis. He is author or co-author of more than 150 peer-reviewed articles published in international journals including Blood, Circulation, JAMA and the New England Journal of Medicine.