Marcio Basilio completed his PhD in Production Engineering at Universidade Federal Fluminense (UFF) in 2019, with a concentration in systems, decision support, and logistics; his Master's in Public Administration at Fundação Getulio Vargas (FGV) / EBAPE in 2007. The researcher has also completed the following courses: MBA in financial management, controllership and auditing from FGV/RJ (2012); MBA in public security management from FGV/RJ (2007); Integrated Higher Police Course from the Military Police Higher School (2007); Officers‘ Improvement Course from the Military Police Higher School (2000); postgraduate studies in systems analysis (1999) and human resources administration (1998); business administration from Faculdades Reunidas Nuno Lisboa (1996); and the Rio de Janeiro State Military Police Officers’ Training Course (1992). Dr Marcio Basilio has concentrated his career on government activity in public security. His last position was as Undersecretary of State and Chief of Staff of the Military Police from 1 January 2019 to 26 August 2021. After this mission, he left the active service of the military police at the rank of Colonel after 31 years, 4 months, and 26 days of service. He is a member of the International Society for Fuzzy Set Extensions and Applications (ISFSEA). He works at the Comptroller General's Office of the State of Rio de Janeiro as Coordinator of Corporate Accountability. His research focuses on issues related to decision-making.