Marco Mesiti is associate professor at the Department of Computer Science of the University of Milan, Italy. He received a Laurea degree (cum laude) and a PhD in Computer Science at the University of Genova, Italy. He has been visiting researcher at the applied research center of Telcordia Technologies, Morristown, New Jersey. His research activity has been carried out in the database area, and has focused on semistructured and XML data handling, with specific interests in access control models, issues concerning data integration, approximate retrieval, query processing and schema evolution. Nowadays he is working on approaches for facing the heterogeneity of IoT data streams and thus making easy the development of cross platform IoT applications. He has been recently involved in a Pre-Commercial-Procurement for the development of the “Snap4city” IoT Platform in the context of the SELECT4CITIES European project.