Marion is a medical statistician and clinical trialist.
Her main research interests are in the design, conduct and analysis of clinical trials especially complex trial design and the design and conduct of surgical and device trials.
Marion has published widely on clinical trials methodology including on cluster randomised trials, design of trials of non-pharmacological interventions, pragmatic trials and trials reporting. She has served on many national and international funding agencies and committees and is an elected Fellow of the Royal Society of Edinburgh, the Faculty of Public Health and the International Society for Clinical Trials.
Marion was an original member of the Balliol Collaboration that developed the IDEAL framework and continues to act and an adviser to the IDEAL Collaboration.
Marion is currently involved in a number of surgical and device trials.
Hirst A, Philippou Y, McCulloch P, Blazeby J, Campbell B, Campbell MK, Feinberg J, Rovers M, Blencowe N, Pennell C, Quinn T, Rogers W, Cook J, Kolias A, Agha R, Dahm P, Sedrakyan A. No surgical innovation without evaluation: Evolution and further development of the IDEAL Framework and Recommendations. Annals of Surgery 2019 ;269(2):211-220.