Nathan Critchlow is a Research Fellow at the Institute for Social Marketing and Health, University of Stirling. He specialises in analysing commercial determinants of health, the impact of marketing exposure on health-related attitudes and behaviours, and the regulation of marketing practice. His previous research includes analyses of price and market changes following the introduction of standardised tobacco packaging and minimum unit pricing for alcohol, national surveys of adolescent and young adult exposure to alcohol and food marketing, and research into digital marketing, sport sponsorship, advert design, and marketing regulation. His current work includes research into tobacco, alcohol, gambling, and food marketing. He is also on the board of directors at Alcohol Focus Scotland and was previously on secondment as a prevention researcher with the Cancer Policy Research Centre at Cancer Research UK.