Ioannis Andreadis is an Associate Professor of Quantitative Methods in Social Sciences, at the School of Political Science, Aristotle University of Thessaloniki. He has been a Fulbright Visiting Scholar (University of Michigan) and a Visiting Research Fellow in Electoral Integrity (University of Sydney and Harvard University). He is steering committee member of the Comparative Candidate Survey (CCS) and collaborator of the Comparative Study of Electoral Systems (CSES). He is a specialist on web surveys and the principal investigator of the project “Web-based election studies of ELNES”, the project that collects data online for the Hellenic National Election Studies. He is the designer and programmer of the Voting Advice Application (VAA) HelpMeVote.