Serafeim Chatzopoulos is a scientific associate in the Information Management Systems Institute (IMSI) of the Research Center "Athena" and member of Theodore Dalamagas' research group since June 2014. He graduated from the Department of Informatics and Telocommunications (UoA) in 2012. He received a master diploma in the specialization "Computer Systems: Software and Hardware" from the same department in 2015. His research interests include privacy preservation, scientific databases, linked data and big data management.