Michel Walrave is a full professor communication studies, responsible for the research group MIOS. Since the nineties he investigates online disclosure of personal information and privacy. His research focuses on the motives of online self-disclosure, including also intimate communication such as sexting, and the risks it entails, e.g. misuse of personal data in cyberbullying, hate speech, cyber dating abuse and non-consensual dissemination of intimate images. He further studies online interpersonal communication within families, including motives and risks of (grand)sharenting.