Ioanna Petsiou is a Greek data journalist.
She studied at the Department of Communication, Media and Culture at Panteion University. She was awarded a fellowship to attend the Lede Program at Columbia University, where she received training in data journalism. With a new scholarship from SNF, she participated in the CSIS Journalism Bootcamp in Washington, where, as a member of the data team, she contributed to a report on migration.
Ioanna began her professional career at Reporters United, working as a data journalist on a cross-border investigation with Arena for Journalism in Europe. Through this collaboration, she gained experience in spatial analysis and the use of QGIS, a geographic information system (GIS) software programme.
She also runs a personal website on which she publishes articles and methodologies on data collection, analysis, and visualisation techniques.
