Clin Assoc Prof Jonathan Choo Tze Liang is a highly experienced paediatric cardiologist, currently serving as the Head and Senior Consultant at KK Women's and Children's Hospital. He holds an MBBS from Singapore, a Master of Public Health (MPH) from London, and is a fellow of several prestigious medical organizations, including the Royal College of Paediatrics and Child Health (UK), the Royal College of Physicians (Edinburgh), and the Academy of Medicine, Singapore (Paediatrics). His expertise lies in paediatric cardiology, with a particular focus on conditions such as atrial septal defects, ventricular septal defects, Kawasaki disease, and other congenital heart conditions. He is involved in procedures like device closure for atrial septal defects and management of various heart diseases in children.

Dr. Choo's clinical focus extends to treating common paediatric heart conditions, ensuring comprehensive care for children with congenital heart issues. His contributions to the field, both in clinical practice and in educating future paediatric cardiologists, are highly regarded. At KK Women's and Children's Hospital, he leads a dedicated team focused on managing complex paediatric cardiac cases.