Marcel Rodrigues de Barros is a Machine Learning Research Engineer at Tanque de Provas Numérico - Universidade de São Paulo and a Master of Science candidate at PPGEE, specializing in Graph Neural Networks for Multivariate Time Series Processing. With a decade of experience in the private sector, he has performed in roles such as Data Systems Senior Consultant, Data Engineer, and Data Scientist. His primary interests include multivariate time series, graph neural networks, and geometric deep learning. Demonstrating his expertise, Marcel spearheaded a research project that culminated in an article which was awarded the Best Paper at BRACIS 2023, the largest AI conference in Brazil.