| Author(s) | Organization(s) | Session |
| Mahrt, Merja | Heinrich-Heine-Universität Düsseldorf, Germany | B03 Presenter |
| Manewitsch, Vladimir | NIM, Germany | B05 |
| Markewitz, Katja | Hochschule Ruhr West, Germany | F 3 Presenter |
| Martin, Sebastian | University of Applied Sciences, Upper Austria | F 4 |
| Martinsson, Johan | University of Gothenburg, Sweden | A09 Presenter |
| Maslovskaya, Olga | University of Southampton, United Kingdom | A07 Presenter, C11 Presenter |
| Mayr, Susanne | Universität Passau, Germany | F 2 |
| McGee, Alice | Kantar Public, United Kingdom | A09 |
| Mede, Niels Göran | Universität Zürich | C02 Presenter |
| Meier, Harald | Social Media Research Foundation, USA/Germany/Albania | C06 Presenter |
| Meitinger, Katharina | Utrecht University, the Netherlands | A11, A11 Presenter |
| Messingschlager, Tanja | University of Würzburg, Germany | F 3 Presenter |
| Metzler, Anke | Darmstadt University of Technology, Germany | C11 |
| Meyer, Levi | Rheinische Fachhochschule Köln, Germany | A12 |
| Mezzanzanica, Marta | NatCen Social Research, United Kingdom | A09 |
| Michelle, Schwing | Universität Würzburg, Germany | C02 |
| Mikucka, Malgorzata | MZES, Mannheim University (Germany), | F 3 |
| Milic, Thomas | Center for Democracy Studies Aarau (ZDA), Switzerland; Department of Political Science, University of Zurich, Switzerland | C03 |
| Minderop, Isabella | GESIS Leibniz Institute for the Social Sciences, Germany | A07 |
| Mohseni, M. Rohangis | TU Ilmenau, Germany | B03 Presenter |
| Morini, Matteo | Institute for Web Science and Technologies, Universität Koblenz-Landau | C07 |
| Mulder, Joris | CentERdata - Tilburg University | B10 |
| Munzert, Simon | Princeteon University | C03 Presenter |
| Mütze, Janina | Civey GmbH, Germany | D05 Presenter |