Susan So is the Director of Hong Kong Society for the Protection of Children, which is one of pioneers in child care services since 1926. HKSPC provides child care, early education and enhance social development of children, is dedicated to partner with parents to build a good foundation for children in their lifelong learning and development and has a special interest to protect vulnerable or deprived children and promote their welfare.

Susan is a social worker and a family therapist that has over 30 years of experience in direct practice, training and management for children, youth and family services. She is active in professional as well as policy issues and has been an active advocate on policy and social issues that affect children and families.

Dr Susan Fan graduated from the Medical Faculty of the University of Hong Kong in 1984 and and is a Member of the UK Royal College of Obstetricians and Gynaecologists. She also holds a Diploma in Child Health from Ireland and a Master's degree in Public Administration (HKU). She served at the Queen Mary and Tsan Yuk Hospitals before joining the Hospital Authority in 1992. In 1995 she became Executive Director of The Family Planning Association of Hong Kong, and has sought to broaden its scope of services from family planning and birth control towards high-quality comprehensive sexual and reproductive health care. Dr Fan serves on numerous government advisory bodies in the fields of health, HIV/AIDS, drug abuse, education and population policy. She contributes to clinical teaching as Honorary Clinical Associate Professor in the University of Hong Kong. Dr Fan is a recipient of the Ten Outstanding Young Persons Award in 2000 and was appointed a Justice of the Peace in 2013.