Patricia Guarnieri belongs to the Faculty of Department of Business Administration, University of Brasilia (UnB), Brazil. She holds a Bachelor in Accounting by State University of West of Parana (Unioeste), Master in Production Engineering from Federal University of Technology of Parana (UTFPR), and Doctorate in Production Engineering from Federal University of Pernambuco (UFPE), Brazil. She is currently assistant professor and researcher at University of Brasilia, Brazil, teaching Logistics and Decision Analysis classes. She has several articles published in Brazilian and international events and journals. Her research interests include collaboration and partnerships in supply chain management; reverse logistics; environmental accounting; multicriteria decision aid and waste management.