His research focuses on sustainable operations, in particular carbon footprint reduction, the circular economy, closed-loop supply chain management and renewable energy. Souza has expertise in applied optimization, lean operations and supply chain analytics. He has over 40 publications in premier refereed academic journals, is a senior editor for Production & Operations Management (POM), and a departmental editor for Decision Sciences. He wrote the book, “Sustainable Operations and Closed-Loop Supply Chains, Second Edition” (Business Expert Press), and co-edited the book, “Closed Loop Supply Chains: New Developments to Improve the Sustainability of Business Practices” (CRC Press). Souza won the Wickham Skinner Early Career Research Accomplishments award from the POM Society in 2004. A former president of the Sustainable Operations Special Interest Group of the Manufacturing & Service Operations Management Society of INFORMS, he also served as the president of the College of Sustainable Operations of POMS.