Prof Winnie Chu is the foundation member of AOSPR (Asian Oceanean Society of Paediatric Radiology). She has served AOSPR in several officer posts in the past years including secretary, treasurer, and academic secretary. She is the incoming President of AOSPR in 2023. She is section editor for EJR and the Editor in Chief for the Hong Kong Journal of Radiology. She has published over 400 papers in peer-reviewed journals.  She has co-authored five books in pediatric radiology and four books on ultrasound imaging.

She is a dedicated educator in radiology. She has been giving a great variety of radiology lectures in international, regional and local conferences. Her audience includes radiologists (general/ paediatric radiologists/ trainees/ specialists), clinicians (paediatricians, surgeons, oncologists, neurologists, obstetricians, family doctors) and allied health members (radiographers, nurses). 

She is also actively involved in under-graduate medical student teaching and post-graduate radiologist/ sonographer training. She is the Training Head of Department of Imaging & Interventional Radiology in the Prince of Wales Hospital and is the member of Educational Committee of Hong Kong College of Radiologists.