Chris Gray is an author and activist, and advocates for policy-makers to better understand how moderation policy is formulated and implemented on the front lines, in order to make rules that are actually enforceable. 
His book The Moderator describes life as a content moderator, examines the business case for content moderation and the mechanisms employed, and investigates how the work can be done safely at global scale given the mental health risks from viewing large amounts of extreme content.
He is the lead plaintiff in a group action lawsuit at the High Court in Ireland, seeking compensation and punitive damages from multiple big tech companies and their contractors, for potentially thousands of content moderators across the EU suffering from PTSD and other harms.

Rachel Griffin is a PhD candidate and lecturer in law at Sciences Po Paris. Her main interests are social media regulation, platform governance and digital justice, and her research draws on feminist legal theory, critical race theory and law and political economy. Her PhD project (supervised by Séverine Dusollier and Beatriz Botero Arcila) analyses how structural social inequalities are reflected in the content governance practices of major social media platforms, and the extent to which EU regulation of social media can address these issues.

Florence G'SELL is a professor of private law at the University of Lorraine and leads the Digital, Governance and Sovereignty Chair at Sciences Po. She began her academic career working mainly on tort law, judicial systems and comparative law. For the past several years, she has been working on digital law and in particular on issues related to the regulation of on line platforms, the way law can deal with new technologies (Blockchain, Metaverse), the notion of digital sovereignty and, more generally, digital policies in the EU and the US. She has edited and published several books on digital issues, including Le Big Data et le Droit (Dalloz, 2021) and Justice Numérique (Dalloz, 2022). Recently, she published « Les réseaux sociaux, entre encadrement et auto-régulation »  (Sciences Po, Digital, Governance and Sovereignty Chair, 2021), "AI Judges" (in Larry A. Dimatteo, Cristina Poncibo, Michel Cannarsa (edit. ), The Cambridge Handbook of Artificial Intelligence, Global Perspectives on Law and Ethics,Cambridge University Press, 2022), and co-authored the Council of Europe report entitled "The Impact of Blockchains for Human Rights, Democracy and the Rule of Law" (with Florian Martin-Bariteau, 2022). Florence G'sell is a graduate of Sciences Po and holds the French "agrégation de droit privé et sciences criminelles". She has been invited several times at the University of Chicago and, more recently, at Stanford University. At Sciences Po, she teaches the course "Comment pensent les juristes" to undergraduate students and the course "Comparative Approach to Big Tech Regulation" in the Master of Public Policy of the Sciences Po School of Public Affairs.

Sergei Guriev is the provost and a professor of economics at Sciences Po. He is a former Chief Economist of the European Bank for Reconstruction and Development. His recent publications include “Spin Dictators: The Changing Face of Tyranny in the 21st Century”, “Political Economy of Populism”, and “3G Internet and Confidence in Government”.

Emeric HENRY joined the Department in 2009 and is Professor of Economics. He is also a Research Fellow at the Centre for Economic Policy Research (CEPR). He was the Scientific Director of the Master's and PhD in Economics programmes at Sciences Po from 2013 to 2019. Emeric Henry is a microeconomist, using theory, experimental and empirical methods to study questions in law and economics. His research interest include economics of innovation and political economy. He regularly publishes in internationally recognized journals such as the Journal of Political Economy, and the American Economic Review, as well as in more specialized reviews - the American Economic Journal: Micro/Policy, Management Science, JEEA, PlosOne, PNAS... In 2009 he was awarded the "Chaire d'Excellence Junior" by the French National Research Agency - the Agence Nationale de la recherche (ANR). Along with another permanent faculty member of the Department (Yann ALGAN), Emeric HENRY was awarded the "Deutsche Bahn Prize" for outstanding research in organization and management. He was also a Fullbright and Schultz Scholar. In 2021 he was awarded an ANR and a McCourt Grant.
Prior to joining Sciences Po, Emeric HENRY was an Assistant Professor at the London Business School. Emeric HENRY received his PhD in Economics from Stanford University after completion of his Master's Degree in Management Science and Engineering. He also holds a Master's Degree in statistics and economics from ENSAE. 

Daphne Keller directs the Program on Platform Regulation at Stanford's Cyber Policy Center, and was formerly the Director of Intermediary Liability at CIS. Her work focuses on platform regulation and Internet users' rights. She has published both academically and in popular press; testified and participated in legislative processes; and taught and lectured extensively. Her recent work focuses on legal protections for users’ free expression rights when state and private power intersect, particularly through platforms’ enforcement of Terms of Service or use of algorithmic ranking and recommendations. Until 2015 Daphne was Associate General Counsel for Google, where she had primary responsibility for the company’s search products. She worked on groundbreaking Intermediary Liability litigation and legislation around the world and counseled both overall product development and individual content takedown decisions.

Kevin Limonier is an assistant professor in geography and Slavic studies at the French Institute of Geopolitics (Paris 8 University). He is also deputy director of GEODE (www.geode.science), which is one of the two Centers of Excellence chosen in 2020 by the Ministry of the Armed Forces to promote France's strategic succession. He is also scientific director of the Observatory of the Russian-speaking infosphere, a research structure dedicated to the analysis of post-Soviet digital spaces, and founding partner of the Cassini mapping firm (www.cassini.group). He is a lecturer in several courses on cybernetics (Saint-Cyr Coëtquidan ... etc.) and was for several years a lecturer at the Russian State University of Humanities (RGGU, Moscow).

Benoit Loutrel is a board member of L'Autorité de régulation de la communication audiovisuelle et numérique (Arcom), the French audiovisual media regulator, since early 2021. Previously, he worked on digital transformation for an internal advisory/consultancy of the French government. In particular in 2019, he led France’s experiment to regulate Facebook in fighting hate speech online. He is a former Director General of France’s Electronic Communications and Postal Regulatory Authority (Arcep) (2013 to 2016), where he also worked from 2004 to 2010. In the interim, he set up a 4.5-billion-euro digital investment plan as part of France’s “Investissements d’avenir”. He previously spent eight years at the World Bank in infrastructure financing and was also director of public policy for Google France for a few months in 2017. He studied industrial economics and regulation at Ecole Polytechnique, ENSAE, and Toulouse School of Economics. 

Inna Lyubareva received a PhD in economy from the University of Nanterre. Now she is Associate Professor of Economics and Social Sciences with accreditation to supervise research (HDR) at the Graduate Engineering School IMT Atlantique in France. Her research interests focus on digital transformations and data-driven technologies in creative industries and media. She develops original approaches using quantitative and qualitative methods at the interface between social science, statistics and computer science. The specific contributions of her research activity include: analysis of the dynamics of business model innovation and its strategic and policy implications; detection of latent social interactions on digital platforms and their impact on the users’ opinion and preferences. In case of the news industry, her research aims to understand how new strategies of media and informational practices of consumers come together to give rise to original issues of pluralism and quality of information in circulation.

Patrick Maillé graduated from Ecole polytechnique and Telecom Paris in 2000 and 2002, respectively. He has been with IMT Atlantique (formerly Telecom Bretagne) since 2002, where he obtained the PhD in applied mathematics in 2005, and the habilitation (HDR, Rennes 1 university) in 2015. 
He has held visiting scholar appointments at Columbia University (2006) and UC Berkeley (2014-2015).
His research interests are in all economic aspects of telecommunication networks, from pricing schemes at the user level, to auctions for spectrum and regulatory issues (net neutrality, search neutrality). He has published more than 150 research articles on those topics, as well as the books “Telecommunication network economics: From theory to applications” (2014) and “From Net neutrality to ICT neutrality” (2022), both co-authored with Bruno Tuffin.

Leïla Mörch specializes in the digital transformation of the State, the challenges of content moderation and social media regulation, as well as the use of new technologies for public good. She previously coordinated a research project at Stanford University at the Content Policy and Society Lab, in search of more ethical moderating artificial intelligences that respect the framework of values and principles chosen by the populations concerned.
She also worked at the French National Assembly as a parliamentary collaborator. Her missions were to support the digital acculturation of societies, in particular on the stakes of blockchain, artificial intelligence, digital inclusion and education and the use of new technologies in public policies. She also founded her NGO, the Francophone Federation of the Future, which aims to capitalize on ethical new technologies to imagine and build the Francophonie of tomorrow.

Sarah Nicole is a development coordinator at the McCourt Institute. Her expertise is in emerging technologies and cybersecurity. Previously, she worked for Huawei and Microsoft on these issues at the European level. As an emerging technologies analyst, she publishes reports on the future of cyberspace for the CyberPeace Institute and has written on the geopolitical race driven by quantum computing for France Digitale and Banque de France.

Paolo Papotti is an Associate Professor at EURECOM, France, since 2017. He got his PhD from Roma Tre University (Italy) in 2007 and had research positions at the Qatar Computing Research Institute (Qatar) and Arizona State University (USA). His research is focused on data integration and information quality. He has authored more than 100 publications and his work has been recognized with two “Best of the  Conference” citations (SIGMOD 2009, VLDB 2016), three best demo award (SIGMOD 2022,2015, DBA 2020), and two Google Faculty Research Award (2016, 2020).

Sylvain Parasie is a professor of sociology at Sciences Po. Student of the Ecole normale supérieure, he gratuated in economics and social sciences. He was a lecturer and then a professor at the University of Paris Est/Marne-la-Vallée. Since 2010, his work has focused on how digital technologies are transforming the way people learn, debate and engage in the public space. He was particularly interested in how data displace established ways of producing and consuming journalistic information in the United States and France. His research also focuses on digital survey methods.

Jan Penfrat is Senior Policy Advisor at European Digital Rights (EDRi), where he leads the organisation's work on platform regulation, including the Digital Services Act and Digital Markets Act. He covers policies related to disinformation, hate speech, and surveillance-based advertising. Before joining EDRi, Jan was a freelance technology reporter at the German IT magazine Golem.de where he covered internet regulation, IT security and open source software. He started his career as a policy consultant for the lobbying firm EUTOP and holds masters degrees in international relations and diplomacy from the College of Europe and in political science from Freiburg University, Germany.

Nathaniel Persily is the James B. McClatchy Professor of Law at Stanford Law School, with appointments in the departments of Political Science, Communication, and FSI.  
Professor Persily’s scholarship and legal practice focus on American election law or what is sometimes called the “law of democracy,” which addresses issues such as voting rights, political parties, campaign finance, redistricting, and election administration.

Shaden Shabayek is a post-doctoral researcher at Université Paris-Saclay and associate researcher at SciencesPo Médialab. Her research revolves around the study of social networks by applying mixed methods, with a focus on opinion dynamics, disinformation and the study of content moderation policies of large platforms.

Anne-Sophie Taillandier is at the head of TeraLab at IMT since 2015. She has been appointed to the “Académie des technologies” since 2022.  Her objective is to support companies in the adoption of new technologies in data and AI by implementing an ecosystem of researchers, innovative companies and startups and by providing sovereign, neutral and secure technologies.
She has been involved in the creation of Gaia-X, of which IMT is a founding member. She is in charge of the coordination of the Gaia-X Federated Services Development (GXFS) in France. The open source code is at the heart of TeraLab or the GXFS.
She had a diverse professional experience in software companies at Dassault systèmes, CTO of LTU Technologies. Anne-Sophie Taillandier graduated from Supélec (CentraleSupelec) and has a PhD in applied mathematics (machine learning) from ENS Paris Saclay.

Rebekah Tromble is Director of the Institute for Data, Democracy & Politics and Associate Professor in the School of Media & Public Affairs at George Washington University in Washington, DC. A political scientist by training, she teaches and conducts research on political communication, digital research methodology, and research ethics. She has particular interests in political discourse on social media, as well as the impacts of exposure to disinformation and abusive content online. 

Joris van Hoboken is an Associate Professor at the Institute for Information Law (IViR), University of Amsterdam and a Professor of Law at the Vrije Universiteit Brussels (VUB). Joris works on the intersection of fundamental rights protection and the governance of platforms and internet-based services. Previously, Joris worked at the Information Law Institute (ILI) at New York University Law School, the NYU Stern Center for Business & Human Rights and CornellTech. He obtained his PhD from the University of Amsterdam on the topic of search engines and freedom of expression (2012) and has graduate degrees in Law and Theoretical Mathematics. Joris was a member of the EU Observatory on the Online Platform Economy, and a member of the Transatlantic High-Level Working Group on Content Moderation Online and Freedom of Expression. At IViR, he is currently running the DSA Observatory project, with a focus on upcoming implementation and enforcement of the DSA and questions of access to justice and content moderation.

Clement Wolf is a technology policy and communications expert with over ten years of experience addressing online content issues. In his current role, he leads a team of subject matter experts that helps develop policies, products, and initiatives across Google and YouTube to address misinformation; combat influence operations; protect elections; and develop further dialogue with experts across civil society, academia, and government.

Célia Zolynski is professor of Law at the University Paris 1 Panthéon Sorbonne, director of the Master 2 degree “Digital law and creation”, co-director of the IP and IT Law Department of the Research center IRJS of Paris 1 Panthéon Sorbonne and co-chair of the AI Observatory of Paris 1 (AIObS). 
She’s an active researcher in European Digital law (Consumer and commercial law, IP Law, Personal data, Fundamental freedoms, AI regulation), author of various publications on these topics and leader of several collective research projects about fundamental freedoms and regulation of algorithmic system promoting multidisciplinary researches.
As an academic, she is also involved in various French public authorities as member: the National Commission for Fundamental rights (CNCDH), the National Committee for Digital Ethics and Digital (CNPEN) and the Council for Literacy and Artistic Property (CSPLA).