Nathan Stephens Griffin is a senior lecturer at Northumbria University, Newcastle, UK. He works across the disciplines of sociology, criminology and critical animal studies. His most recent research focuses on state/corporate repression of social movements, particularly the undercover policing of ecological protest. He is also interested in biographical, visual, and graphic narrative approaches to social research. He is the author of ‘Understanding Veganism: Biography and Identity‘ which was published by Palgrave in 2017.