The 4th Hong Kong Radiographers and Radiation Therapists Conference cum The First Greater Bay Area Forum on Radiological Imaging and Technology is a bi-annual conference co-organized by three major radiographers’ organizations in Hong Kong, namely the Hong Kong Radiographers’ Association (HKRA), the Hong Kong College of Radiographers and Radiation Therapists (HKCRRT) and the Hong Kong Association of Radiation Therapists (HKART). The Conference deliberations will be on the following theme: Evolving Profession in the Digital World. The total number of participants is expected around 400 including delegates from nearby countries and Greater Bay Area.