Rubén Ruiz is Principal Applied Scientist at Amazon Web Services (AWS) and Full Professor of Statistics and Operations Research on leave of absence at the Polytechnic University of Valencia, Spain. He is co-author of more than 100 papers in International Journals and has participated in presentations of more than a two hundred papers in national and international conferences. He is editor of the Elsevier’s JCR-listed journal Operations Research Perspectives (ORP) and co-editor of the JCR-listed journal European Journal of Industrial Engineering (EJIE). He is also associate editor of other journals like TOP and member of the editorial boards of several journals most notably European Journal of Operational Research and Computers and Operations Research. His research interests include scheduling and routing in real life scenarios as well as cloud computing scheduling.