Ricardo S. Martins is an economist. He teaches and carries out research in Operations and Logistics Management at the Post-Graduate Centre for Research in Management (CEPEAD) - Federal University of the State of Minas Gerais (UFMG), Brazil. He is one of the leaders of the Interdisciplinary Centre for Research in Logistics (NIPELOG-UFMG). The following topics are his principal areas of activity: Supply Chain Logistics, Logistics in Small and Medium-sized Companies and Logistic Strategies.