Maria Ioanna Maratsi is a PhD researcher at the University of the Aegean and scholar under a Marie Skłodowska-Curie Action agreement in the area of semantic interoperability and open data, and a member of the Information Systems Laboratory (ISLab). Ioanna is a graduate (BSc) of Information & Communication Technologies, department of Digital Systems (Networks and Telecommunication Systems track), University of Piraeus, and alumna of the MSc in Information Security, Stockholm University (Department of Computer and Systems Sciences), Sweden, where she was also a member of the Systems Analysis and Security Unit.

Her academic interests include (not limited to): Open and linked data, interoperability, knowledge graph and ontology engineering, application of new technologies on semantics, cybersecurity, digital forensics, AI and algorithm ethics, digital humanities, and multidisciplinary approaches in information science.