Mariana Vieira completed her Integrated Master's Degree in Psychology (specialization in Psychology of Deviant Behaviour and Justice) at the Faculty of Psychology and Educational Sciences of the University of Porto in 2018. She has deepened her experience with psychosocial intervention in vulnerable populations and key populations, with a framework in risk reduction and harm minimization and a focus on social psychology, in proximity contexts. She has developed experience in the area of sexual and reproductive health through her work at Associação Abraço - counseling and support for people with HIV/AIDS and other STIs. In this context, she contacted and designed interventions with various populations, such as sex and gender minorities (SGM), people who use substances, sexual workers and others. Mariana began her research career at the Institute of Public Health of the University of Porto (ISPUP) in September 2022 and is a member of the Epidemiology of mycobacteria infection, HIV, and other sexually transmitted infections Laboratory. She currently works at the interface of social innovation and psychology, developing action-research projects aimed at promoting mental health and individual and community well-being, particularly in people with tuberculosis (TB). Since January 2024 she is involved in a project developed by ISPUP and funded by General Directorate of Health (DGS) focused on auscultation of the delay in TB diagnosis to improve the integrated people-centered response to TB according to the recommendations made by the community agents affected by or involved in the thematic.