Carlos J. Costa is Associate Professor of Information Systems and Operation Management at ISEG (Lisbon School of Economics and Management), University of Lisbon, since September 2017. Carlos is a member of IEEE and ACM. He is also memeber of the board of EuroSIGDOC / ACM. He was conference and program chair of conferences sponsored by ACM and EuroSIGDOC / ACM. Carlos holds a PhD in Information Sciences and Technologies in the field of Information Systems and Databases from ISCTE. He holds a Master's degree in Management Sciences from the same university and a degree from A.G.E. by the Portuguese Catholic University. His research interests include Information Systems Theory, especially in the area of adoption of Information Systems, ERP and Open Source.