Dr Chu is a chair professor and associate dean of the HKU Faculty of Dentistry. His leadership extends globally, serving as Chair of the FDI World Dental Federation Public Health Committee and Vice President of the Asian-Oceanian Federation of Conservative Dentistry. He has previously held esteemed positions as president of the Asia Academy of Preventive Dentistry, the South East Asia Association for Dental Education, and the Society of Preventive Dentistry of Hong Kong. Dr Chu's academic journey is rooted in HKU, where he earned his BDS, PDipDS, MDS, and PhD. His professional accolades include fellowship in the Royal Australasian College of Dental Surgeons, the Hong Kong Academy of Medicine, and the Royal College of Surgeons of Edinburgh (RCSEd). He is a diplomate of the American Board of General Dentistry and was elected a fellow of the Faculty of Dental Trainers RCSEd, the Academy of Dental Materials and the International College of Dentists (ICD). He is a Master of the Academy of General Dentistry, where he also received the prestigious Lifelong Learning & Service Recognition Award. He is the specialty chief editor for the Frontiers in Oral Health and Dentistry Journal and serves on the editorial boards of the Journal of Dental Research, JDR Clinical & Translational Research, International Dental Journal, and BMC Oral Health. An educator at heart, Dr Chu teaches dental students and supervises PhD students and postdoctoral fellows. Some of his mentees have ascended to full or associate professors, with some listed among the Stanford/Elsevier Top 2% Scientists. Beyond his academic and professional commitments, Dr Chu serves as a board director for Project Concern Hong Kong, a charity dedicated to helping those in need. He is also the Honorary Advisor for the ICD Section XV Humanitarian Service.