Guilherme Pinheiro is a psychologist with a Master’s degree in Community Psychology and the Protection of Children and Youth at Risk. He is currently pursuing a PhD in Psychology at Iscte-IUL, supported by CIS-Iscte. His research focuses on the promotion of sexual health, with a particular emphasis on pre-exposure prophylaxis (PrEP). He has professional experience in psychological assessment and intervention with adults facing mental health and/or substance use challenges.