Marcelo S. Perlin is an Associate Professor of Finance at the Federal University of Rio Grande do Sul (UFRGS), Brazil. His work focuses on quantitative finance and data science, applying computational tools to real-world financial problems. He authors books and research papers on financial markets, data analysis and programming, and maintains open-source software in R and Python.

Marcelo S. Perlin is an Associate Professor of Finance at the Federal University of Rio Grande do Sul (UFRGS), in Porto Alegre, Brazil. He researches quantitative finance, financial econometrics, market microstructure and the use of data science in finance. He is the author of several books — including the best-selling 'Análise de Dados Financeiros e Econômicos com o R' — and dozens of peer-reviewed papers, with work on predatory publishing, academic inbreeding and the impact of AI on research. He develops widely used open-source software in R and Python for importing and analysing Brazilian financial and economic data, and recently created MCP servers so AI agents can query those same sources. His commentary has appeared in Brazilian and international outlets.