Dan Lock is a human factors specialist, psychologist and a chartered member of the Institute of Ergonomics and Human Factors (C.ErgHF). Mr Lock has 20 years’ experience conducting user research at all stages of the design lifecycle from opportunity discovery, to conceptual design, formative and summative evaluations. Mr Lock’s current areas of interest include how models from behavioural science can be applied to design to motivate and promote positive behaviour among product users, especially in the area of adherence to medication regimes, and how large language models like ChatGPT might impact digital healthcare.