Warwick is the State Radiologist for BreastScreen NSW and Adjunct Associate Professor, Discipline of Medical Radiation Sciences, Faculty of Health Sciences, University of Sydney. Warwick is committed to Quality Assurance as it relates to breast imaging in both the diagnostic and screening environment. He is a member of the Breast Imaging Reference Group of the RANZCR, the National Quality Management Committee of BreastScreen Australia and the BreastScreen Australia Accreditation Review Committee.