Zhekai Hu is a PhD candidate in Orthodontics at the Faculty of Dentistry at the University of Hong Kong, supported by the HKU Presidential PhD Award. He graduated with Master of Dental Surgery in Orthodontics from Shanghai Jiao Tong University and a Bachelor of Dental Surgery from Shandong University. He is a member of several professional organizations, including the International Association for Dental Research and the American Society for Bone and Mineral Research.