Zarnie is an Associate Professor in Health Sciences at the University of East Anglia (UEA), UK. Her research focuses on the routine delivery of digital behaviour change interventions for cancer prevention. She contributed to the development of the ImpRes tool and guide to designing implementation research. Her systematic review of implementation outcome instruments used in physical healthcare settings was used to create the Implementation Outcome Repository https://implementationoutcomerepository.org/. She developed the online Introduction to Implementation Science postgraduate module in collaboration with King’s College London, Kingston University and St George’s University, which she leads at UEA.