Plácido Rogerio Pinheiro earned his PhD in Systems and Computer Engineering from the Federal University of Rio de Janeiro (1998), followed by Master's degrees in Mathematics (Federal University of Ceará, 1990) and Electrical Engineering (University of Fortaleza, 1983). He is now a Full Professor in the Graduate Program in Applied Informatics (PPGIA) and Professional Master's in Administration (MPA) at the University of Fortaleza, where he has taught since 1986 and leads the Applied Computing Laboratory. His work in operational research has resulted in continuous CNPq Research Productivity Fellowships since 2008, as well as pioneering contributions to multi-criteria decision modelling in healthcare and production systems. He is also an IEEE Senior member with interdisciplinary research spanning applied mathematics and intelligent systems. His research topics mainly include mathematical programming, discrete optimization, healthcare systems modelling, industrial process optimization, and multi-criteria decision analysis, with significant applications enhancing enterprise productivity and competitiveness through operational research methodologies.