Ruby is a Senior Research Associate in Integrative Epidemiology of Obesity Group and the Immunopsychiatry Research Group.

Her current work explores associations between genetic liability to dementia, circulating immune proteins and early-life infections. Her other research interests are in multimorbidity and life course epidemiology, and have been involved in studies examining the development of mental-physical multimorbidity across the life course.

She holds a PhD in Psychiatry from UNSW Australia, and her doctoral research investigated the biological and environmental factors contributing to late-life depression. Prior to joining the IEU, she worked as a postdoctoral researcher at the Nuffield Department of Primary Care Health Sciences and the Department of Psychiatry, University of Oxford.