Fagner Alfredo Ardisson Cirino Campos has a Bachelor's degree in Nursing from the Lutheran University of Brazil (ULBRA), with a Specialization in Psychiatric Nursing and Mental Health from the University of Araraquara (Uniara). He has a Master's degree in Psychology from the Federal University of Rondônia (UNIR). Currently, he is a doctoral student in Psychology at the University of Salamanca and in Sciences at the University of São Paulo at Ribeirão Preto College of Nursing (EERP-USP). He has been working in the area of psychiatric nursing and mental health for over 10 years, with extensive experience in assistance, management, research, and private practice. He is the creator of the Adult Depression Diagnostic Protocol (PDDA).