Stephan Winter is a former CITS Visiting Research Scholar. He is an Assistant Professor of Persuasive Communication at the University of Amsterdam in the Netherlands. Dr. Winter's research focuses primarily on credibility and information selection as well as on processes of attitude formation and expression in new media environments. Furthermore, he is interested in personalization and message targeting in social media. To learn more about Stephan's current and past research see his Homepage at the University of Amsterdam.