Dr. Sarah Hardcastle is a Senior Research Fellow based in the Health Psychology and Behavioural Medicine Research group at Curtin University, Australia. Her main area of research is the application of application of motivational theories to understand health behaviour change, particularly in relation to physical activity and lifestyle. The main focus of her research is to understand behaviour change and the application of interventions to change health behaviours. Sarah’s primary interests are the promotion of physical activity to prevent or manage chronic illness and cardiovascular disease. She is currently leading several trials using wearable technology and health coaching to increase physical activity in cancer survivors. She also has particular expertise in the application of Motivational Interviewing to promote health behavior change in healthcare settings.