Marion is a Senior Statistician who has worked in clinical trials at FSS since 2002.

The research area of her PhD thesis was the influence of missing explanatory variables and longitudinal assessments.

Her work in breast cancer trials includes collaborating on the statistical analysis plan and protocol amendments, producing reports for the data monitoring committee, preparing manuscripts for publication and working with investigators on research projects. The first efficacy results from the breast cancer trials were published in the New England Journal of Medicine. Research projects from these trials have been published in several journals including the Journal of Clinical Oncology.

Statistical methods in research projects include competing risks in survival analysis and nested case control analysis.

Marion has been a statistical review for scientific journals and has been accepted as the Independent Statistician for the RaTIO trial in oncology.