Christos Nousis is a Clinical Psychologist and Psychoanalytic Psychotherapist, holding a Master’s degree in the Prevention and Treatment of Psychiatric Disorders. He is currently a PhD candidate in Medicine at the National and Kapodistrian University of Athens (NKUA), with a primary research focus on suicide prevention and intervention strategies. He has completed formal training in psychoanalysis and psychoanalytic psychotherapy and possesses extensive clinical experience in long-term psychodynamic treatment. His clinical and research interests center on high-risk and marginalized populations, with a particular emphasis on the LGBTQI+ community. His work addresses complex mental health issues including suicidality, sex work, chemsex-related behaviors, and personality disorders. Mr. Nousis is part of the interdisciplinary team at the Model Community Center for the Information, Education, Awareness, and Treatment of Non-Suicidal Self-Injury in young people aged 17–24—a collaborative initiative of the Greek Ministry of Health, UNICEF, NKUA, and the 1st Psychiatric Department of the Medical School at Eginition Hospital. His professional activities integrate psychoanalytic clinical practice, applied research, and community-based mental health promotion, with a specific focus on improving psychosocial care for vulnerable youth populations.