Marion trained in Anatomic Pathology at Northwestern University and in Cytopathology at East Carolina University. She completed a research fellowship at Georgetown University, focussing on HPV. She has a Graduate Diploma in Clinical Epidemiology from the University of Sydney.
She has been the Executive Director of VCS since 2000. VCS runs one of Australia’s largest cervical screening laboratories and its most long-standing cervical screening register. Under Marion’s leadership, VCS established and now operates Australia’s National HPV Vaccination Program Register.
Marion has served on numerous cervical screening advisory committees, including groups concerned with moving from cytology based screening to HPV based screening.