| Author(s) | Organization(s) | Session |
| Mahrt, Merja | Heinrich-Heine-Universität Düsseldorf, Germany | Data from Video and Music Platforms Presenter |
| Manewitsch, Vladimir | NIM, Germany | Images and Virtual Reality in Market Research |
| Markewitz, Katja | Hochschule Ruhr West, Germany | Poster Session (Part III) Presenter |
| Martin, Sebastian | University of Applied Sciences, Upper Austria | Poster Session (Part IV) |
| Martinsson, Johan | University of Gothenburg, Sweden | Scales and Don't Know Answers Presenter |
| Maslovskaya, Olga | University of Southampton, United Kingdom | Mixed-Modes and Mixed-Devices Presenter Mobile Surveys Presenter |
| Mayr, Susanne | Universität Passau, Germany | Poster Session (Part II) |
| McGee, Alice | Kantar Public, United Kingdom | Scales and Don't Know Answers |
| Mede, Niels Göran | Universität Zürich | Fake News, Fake Users Presenter |
| Meier, Harald | Social Media Research Foundation, USA/Germany/Albania | Communication on Social Media Presenter |
| Meitinger, Katharina | Utrecht University, the Netherlands | Methods to Improve Questionnaires Methods to Improve Questionnaires Presenter |
| Messingschlager, Tanja | University of Würzburg, Germany | Poster Session (Part III) Presenter |
| Metzler, Anke | Darmstadt University of Technology, Germany | Mixed-Modes and Mixed-Devices |
| Meyer, Levi | Rheinische Fachhochschule Köln, Germany | Understanding Consumer Behaviour |
| Mezzanzanica, Marta | NatCen Social Research, United Kingdom | Scales and Don't Know Answers |
| Michelle, Schwing | Universität Würzburg, Germany | Fake News, Fake Users |
| Mikucka, Malgorzata | MZES, Mannheim University (Germany), | Poster Session (Part III) |
| Milic, Thomas | Center for Democracy Studies Aarau (ZDA), Switzerland; Department of Political Science, University of Zurich, Switzerland | Tracking Political Behaviour |
| Minderop, Isabella | GESIS Leibniz Institute for the Social Sciences, Germany | Mobile Surveys |
| Mohseni, M. Rohangis | TU Ilmenau, Germany | Data from Video and Music Platforms Presenter |
| Morini, Matteo | Institute for Web Science and Technologies, Universität Koblenz-Landau | Citizens on Social Media |
| Mulder, Joris | CentERdata - Tilburg University | Mobility and Activity Data from Smartphones |
| Munzert, Simon | Princeteon University | Tracking Political Behaviour Presenter |
| Mütze, Janina | Civey GmbH, Germany | Stichprobenqualität und Repräsentativität in der Online-Forschung Presenter |
