Dr. Poon is an internationally renowned academic hematologist active in the field of hemophilia and other inherited bleeding disorders, contributing significantly to hemophilia care standards nationally and internationally. His insightful clinical observations and understanding of the science changed the practice of hemophilia care locally and then nationally, sparing countless hemophilia patients from HIV/AIDS and Hepatitis C. His leadership, guidance and advocacy has facilitated modernization of and access to hemophilia care in many underserved countries. In China, between 1993 and the present, his mentorship has seen the number of hemophilia clinics explode from a single national clinic to 335 clinics countrywide.