Board of Trustees

In 2020, Truth and Trust Online launched a call for “trustees” to join its organization team. The role of the Board of Trustees is to guide and advise the TTO conference organising teams and ensure a sustainable future for the TTO organization. Our Trustees are (in no specific order):

Guillaume Bouchard

Co-Founder and CEO,

CEO of CheckStep, a platform to manage User Generated Content with AI. Previously Co-founder and CEO of Bloomsbury AI, exited to Facebook in 2018, to reduce the prevalence of misinformation using AI. One of the main organisers of the first conference on Truth and Trust Online. PhD in applied mathematics and machine learning from INRIA, France. 12 years of scientific at Xerox Research and UCL, focusing on large-scale predictive models, text understanding and distributed AI techniques. Author of more than 60 international publications and holder of more than 50 U.S. patents.

Marzieh Saeidi

Research Scientist, Facebook

Marzieh Saeidi has a PhD in Natural Language Processing and Machine Learning from University College London. Currently, she works at Facebook as a research scientist on integrity related problems and specifically on detecting misinformation. She is one of the founders of TTO and he co-chaired TTO2020.

Primavera De Filippi 

Researcher at the National Center of Scientific Research (CNRS), Faculty Associate at the Berkman Klein Center for Internet & Society at Harvard University

Primavera De Filippi is a Researcher at the National Center of Scientific Research in Paris, and Faculty Associate at the Berkman-Klein Center for Internet & Society at Harvard. Her research focuses on the legal challenges and opportunities of blockchain technology and artificial intelligence, with specific focus on governance and trust. She is the co-author of the book “Blockchain and the Law,” published in 2018 by Harvard University Press, and she was recently awarded a €2M grant from the European Research Council (ERC) to investigate how blockchain technology can help improve institutional governance through greater confidence and trust.

Michael Golebiewski 

Principal Program Manager, Microsoft

Michael Golebiewski is a Principal Program Manager at Microsoft. He works on ethical and responsible AI. 

Ibrahim Sharaf

Lead Machine-Learning Scientist, Factmata

Ibrahim is an engineer and researcher working in natural language processing, currently he’s a senior machine learning engineer at Factmata, working on online content understanding, combating misinformation and harmful content. He has more than four years of experience working in the industry. Prior to Factmata he worked at Mawdoo3 (the world’s most visited Arabic website), Yaoota (MENA’s premier shopping search engine), and Microsoft Research Lab in Cairo.

He collaborates with NLP North research unit at IT University of Copenhagen, under the supervision of Barbara Plank, and published a couple of papers at EACL & NAACL 2021. .

Dhruv Ghulati

CEO, Factmata

Founder and CEO of Factmata, a startup providing AI solutions to protect brands against disinformation and monitor their brand perception.

Aviv Barnoy 

Postdoctoral Research Fellow – University of Haifa; Zefat Academic College

Aviv Barnoy is a communication scholar, focused on the way trust and epistemic factors affect the spread of knowledge (and misinformation) in digital environments. During his PhD Barnoy published a critical empirical paper (Communication Research) about the ways that reliance on interpersonal trust to form knowledge, impairs journalists’ judgment and impacts their work and publications. In his current position as a postdoctoral and research fellow, Barnoy is investigating the reasons users share Epistemically Toxic Content (ETC) online, and how they can be encouraged to refrain. The study focuses on how the “trust and accountability gap” encourages sharing ETC.

Clara Tsao

Co-Executive Director, Co-Founder, Trust & Safety Professional Association

Clara Tsao is an online disinformation expert and a civic tech entrepreneur, who recently co-founded the Trust & Safety Professional Association and the Trust & Safety Foundation to support the global community of professionals who develop and enforce principles and policies that define acceptable behavior and content online. 

Clara is also a non-resident senior fellow at the Atlantic Council’s Digital Forensic Research Lab & German Marshall Fund’s Alliance for Securing Democracy. Her previous roles include CTO at the US Department of Homeland Security’s Countering Foreign Influence Task Force and the interagency US Countering Violent Extremism Task Force and Senior Advisor for Emerging Technology at the Cybersecurity Infrastructure Security Agency. She has spent a decade working in the technology industry across global teams at Microsoft, Apple, Sony PlayStation, AT&T, and also as a Google and Mozilla Technology Policy Fellow. Clara is also the Board Chair and President of the White House Presidential Innovation Fellows Foundation and a Senior Advisor at Tech Against Terrorism.

Marlena Wisniak 

Senior Advisor, Artificial Intelligence and Human Rights, European Center for Not-for-Profit Law

Marlena is a researcher, lawyer and activist focusing on corporate accountability, technology and human rights. Marlena is a Senior Advisor at the European Center for Not-for-Profit Law (ECNL), where she focuses on social media companies, digital platforms, and algorithmic systems. Until recently, she oversaw the civil society portfolio at the Partnership on AI and served as the in-residence expert on international human rights. Her other appointments have included the Danish Institute of Human Rights, the Investor Alliance for Human Rights, Oxfam America and the Inter-American Court of Human Rights, among others. Marlena incorporates feminist, decolonial, and anti-racist perspectives into her research and advocacy. 

Scott Yates


Scott Yates was a journalist in NYC and Colorado before becoming a technology startup founder. After his third startup, he combined the worlds of journalism and tech and looked for tech startup solutions to the disinformation crisis. The result of that work is, a member-owned nonprofit that manages the trust.txt framework, a signal of trust by and for publishers and associations. He is also the co-chair of the W3C group working on credibility on the web, and is a member of the Credibility Coalition. He was previously the U.S. Director and Strategic Advisor to the Journalism Trust Initiative from Reporters Without Borders ( based in Paris. He lives in Denver with his family, his mutt, and a dictionary collection.

Cristina Tardaguila  

Associate Director, International Fact-Checking Network / Poynter Institute

Cristina Tardáguila is the International Fact-Checking Network’s Associate Director and also the founder of Agência Lupa, the first fact-checking initiative in her country, Brazil. As a journalist, she has worked in some of the major Brazilian media outlets: O Globo, Folha de S.Paulo and revista piauí. She graduated in journalism in Rio de Janeiro, got her master degree in Madrid and her MBA in Digital Marketing again in Rio. She has published two books: “A Arte do Descaso” (in 2016), about art crimes – and “Você foi Enganado” (2018), about presidential false claims. She’s been to TEDx’s red carpet twice to talk about mis/disinformation and won the 2018 elPeriodico’s/Grupo award in 2018 (Spain) as the best journalist of the year. Tardaguila has been nominated for the Gabriel García Marquez Award, in Colombia, and the Comunique-se Awards, in Brazil. Both in their innovation categories. She now coordinates the CoronaVirusFacts Alliance, the largest collaborative fact-checking project ever launched.

Preslav Nakov 

Principal Scientist,  Qatar Computing Research Institute QCRI (HBKU)

Dr. Preslav Nakov is a Principal Scientist at the Qatar Computing Research Institute (QCRI), HBKU. His research interests include computational linguistics and natural language processing (for English, Arabic, Chinese, Malay/Indonesian, and Bulgarian), disinformation, propaganda, fake news and bias detection, fact-checking, machine translation, question answering, sentiment analysis, lexical semantics, and biomedical text processing. 

He is the PI of the QCRI mega-project Tanbih (2018-present) which aims to limit the effect of “fake news”, propaganda and media bias by making users aware of what they are reading; this is integrated in a news aggregator ( He was also the lead-PI of a QCRI-MIT collaboration project on Arabic Speech and Language Processing for Cross-Language Information Search and Fact Verification (co-PI, 2016-2018; Lead-PI, 2018-2020), and he was a co-PI of another QCRI-MIT collaboration project on Speech and Language Processing for Arabic (2013-2016).

Mona Elswah 

DPhil candidate at the Oxford Internet Institute (OII)

Mona Elswah is a political communication scholar who writes on the intersection between digital media and authoritarianism. Currently, she is DPhil candidate at the Oxford Internet Institute (OII), where she examines the impact of digital repression on social movements in non-Western countries. She is also a researcher and a core member of the Computational Propaganda project (COMPROP), where she examines disinformation in non-Western contexts, including Russia, Iran, and Arab countries. Her work has been featured in several international media outlets including the BBC, the Washington Post, and the Wall Street Journal. Before joining the OII, Mona was awarded a Ford Foundation fellowship to study at the American University in Cairo. She has a master’s degree in journalism and mass communication and a Graduate Diploma in public policy..

Harry Dyer 

Lecturer in Education, University of East Anglia

Harry is a digital sociologist and educational researcher at the University of East Anglia. His research broadly explores the impact of social media on culture, public knowledge, and education. Most recently, his work has been published as a monograph with Springer Nature (2020) in which he proposes a new theoretical framework to consider the relationship between social media and identity. He serves as editor of Digital Culture and Education, and is a co-convener of the British Sociological Association’s Digital Sociology Study Group.

Tanu Mitra

Assistant Professor, University of WashingtonResearch Scientist, Facebook

Tanu Mitra is an Assistant Professor at the University of Washington, Information School, with an affiliate appointment at the Paul G. Allen Center for Computer Science & Engineering. Tanu leads the Social Computing research group at the UW iSchool. She and her students study and build large-scale social computing systems to understand and counter problematic information online. 

Her research spans auditing online systems for misinformation and conspiratorial content, understanding digital misinformation in the context of the news ecosystem, unraveling narratives of online extremism and hate, and building technology to foster critical thinking online. Her work employs a range of interdisciplinary methods from the fields of human computer interaction, data mining, machine learning, and natural language processing.

Scott Hale 

Associate Professor, University of Oxford and MeedanResearch Scientist, Facebook

Dr Scott A. Hale is a Director of Research at Meedan, a non-profit building digital tools for global journalism and translation. He sets strategy and oversees research on widening access to quality information online and seeks to foster greater academic–industry collaboration through chairing multistakeholder groups, developing and releasing real-world datasets, and connecting academic and industry organizations. Scott is also a member of the Credibility Coalition, an Associate Professor at the Oxford Internet Institute, University of Oxford, and a Fellow at the Alan Turing Institute.

Giovanni Luca Ciampaglia

Assistant Professor, University of South Florida

Giovanni Luca Ciampaglia is an assistant professor at the Department of Computer Science and Engineering at the University of South Florida (USF). He is interested in all problems arising from the interplay between people and computing systems, in particular the integrity of information in cyberspace and the trustworthiness and reliability of social computing systems. At USF, he leads the Computational Sociodynamics Laboratory.

Prior to joining USF he was at Indiana University as an assistant research scientist at the Indiana University Network Science Institute (IUNI), and before that as a postdoctoral fellow at the Center for Complex Networks and Systems Research, an analyst for the Wikimedia Foundation, and a research associate at the Professorship of Computational Social Science at the Swiss Federal Institute of Technology in Zurich. His work has been covered in major news outlets, including the Wall Street Journal, Wired, MIT Technology Review, NPR, and CBS News, to cite a few.

TTO Executive Committee

The Executive Committee is a four-member group, elected among Trustees to supervise the day to day operations of the TTO annual Conference. Its elected members are:

President: Guillaume Bouchard

Vice-President: Clara Tsao

Secretary: Preslav Nakov

Treasury: Giovanni Luca Ciampaglia