Henna Paakki is a doctoral researcher in the CRAI-CIS research group, studying disruptive online behaviors in social media conversations, most importantly trolling strategies used in conversational manipulation and dissemination of disinformation. She is a linguist with expertise in interactional analysis, and Natural Language Processing (NLP). Her earlier research at the University of Helsinki has investigated the effects of normative language ideologies on intercultural communication. In the project automated trolling and fake news generation in future social media she has investigated the disruptive and persuasive interaction strategies used on social media to manipulate conversations about political events and societal issues. She has published several articles in top journals (ToCHI, JCSCW) and conferences.