Dr. Sim Chien Joo is a Senior Consultant in Paediatric Dentistry at the National University Centre for Oral Health, Singapore, and an Assistant Professor at the National University of Singapore. He has a BDS from the National University of Singapore and a Master's in Paediatric Dentistry from the University of North Carolina.

Specializing in paediatric dentistry, Dr. Sim focuses on providing comprehensive oral care to children. His expertise includes managing complex dental cases for children with special needs. He is dedicated to enhancing dental education and is actively involved in the training of dental professionals.