Eleni Tzirita Zacharatou is a postdoctoral researcher at the DIMA Group at TU Berlin. She conducts research on spatial big data analytics and is further interested in robust stream processing in IoT environments. Her research results have appeared in premier data management venues (like VLDB, CIDR, ICDE), and her work has received the 2018 ACM SIGMOD best demonstration award. Eleni holds a Ph.D. in Computer Science from EPFL and a Diploma - M.Eng. degree in Electrical and Computer Engineering from the National Technical University of Athens.