He is a Senior Researcher with the Multimedia Knowledge and Social Media Analytics Lab at the Information Technologies Institute of the Centre for Research and Technology Hellas (CERTH-ITI). He is also a Research Development Manager and co-founder of Infalia PC.

His research interests include multimedia analysis, web and social media mining, semantics, information retrieval, multimodal analytics, decision support, as well as security applications including crisis management, fight crime and terrorism and border surveillance.

Currently, Stefanos Vrochidis is the Project Coordinator of H2020 ICT V4Design, the deputy Project Coordinator of H2020 SEC beAWARE, the Scientific Manager of H2020 SEC CONNEXIONs and technical Manager of H2020 EO EOPEN and H2020 MIICT. He also participates as WP and task leader in H2020 SEC TENSOR, H2020 SEC ROBORDER, H2020 SEC PROPHETS, H2020 ICT and H2020 ICT hackAIR. Dr. Vrochidis was the Scientific Manager and acting Project Coordinator of the FP7 project MULTISENSOR and the Interaction Coordinator of The European Network on Integrating Vision and Language (iV&L Net), and has successfully participated as WP and task leader in many other European and National projects (e.g. HOMER, KRISTINA , PESCaDO, PATExpert, ELU) and co-authored more than 100 related journal and conference publications.