Mark Harrison is an Associate Professor at the Faculty of Pharmaceutical Sciences, University of British Columbia (UBC). Mark leads a program of work to promote the sustainable use of healthcare resources by reducing waste and promoting efficiency. He is particularly interested in the role of patient and physician preferences in the design and delivery of treatments and clinical studies and the impact of policy interventions on patient and healthcare system outcomes. Increasingly Mark is looking to study the access to health care of marginalized populations and the relationship between health/health care and the environment.