Michael Nicholson is Professor in the Business School at Durham University, UK, and a consumer psychologist. His areas of expertise lie in consumer identity and social behaviour, with particular emphasis on issues surrounding disability. Mike is partially sighted and has an Instagram channel exploring psychology and sight loss: Say.What.You.See.

Sarah Hong Xiao is Professor at Durham University, UK, where she leads the Management and Marketing Department. Her areas of expertise focus on unusual aspects of marketing and consumption, illicit consumption and consumer 'misbehaviour', as well as the psychological dimensions of social marketing within health and wellbeing contexts.