Dr. Stephen P. Lewis is a Professor of Psychology at the University of Guelph (Canada) and one of the world’s leading voices in self-injury research and advocacy. His work explores NSSI, online communities, and how digital spaces can serve as both risks and sources of support for people who self-injure. Dr. Lewis’s research is deeply informed by collaboration with people who have lived experience, and he has been instrumental in shaping more compassionate, stigma-reducing approaches to understanding self-injury. Beyond academia, he is a passionate advocate for mental health awareness and a frequent public speaker whose openness and empathy have inspired countless individuals and researchers worldwide. His work is widely respected for its compassion, insight, and dedication to amplifying the voices of those with lived experience.