Tomaso leads Privacy International's policy development, as well as their advocacy and policy team. He develops the organisation's international advocacy with the UN, the EU, and other relevant intergovernmental bodies. Previously he worked for Child Soldiers International and for Amnesty International’s (AI) International Secretariat, in the International Law and Policy Program, where he was legal and policy advisor. His main responsibilities included providing advice on international human rights and humanitarian law, drafting intervention before human rights courts and bodies and representing the organization in meetings of UN human rights law experts. Tomaso is an Italian lawyer and has a Law Degree from the Law College in Ferrara (Italy).

Cheryl Gwyn was appointed as New Zealand’s Inspector-General of Intelligence and Security commencing 5 May 2014, for a three year term and was reappointed in May 2017 for a further three years. She is the first Inspector-General to be appointed under amended legislation which
significantly expands the Inspector-General’s powers and resources and removes the requirement that the appointee be a retired Judge. The Inspector-General’s role includes reviewing the legality and propriety of intelligence and security agency activities and investigating complaints relating to the agencies. The Inspector-General has power to initiate her own inquiries. Ms Gwyn has broad public law experience, having spent ten years as Deputy Solicitor-General in the New Zealand Crown Law Office, where she provided legal advice and representation to Ministers and Departments, principally in constitutional matter, including indigenous rights and human rights issues. Latterly she provided advice to New Zealand’s intelligence community. That position was preceded by two years managing a large policy group, as Deputy Secretary for Justice. Before entering the public service, Ms Gwyn was a litigation partner at two of New Zealand’s largest law firms. In August 2019 Ms Gwyn was appointed as a Judge of the High Court of New Zealand

Jo Cavan is Director Strategy, Policy and Engagement at GCHQ, and Paul Killworth is Deputy Director Strategic Policy at GCHQ.

Alexander Ottosson is an associate lawyer at the Stockholm-based public interest law firm Centrum för rättvisa (Centre for Justice). Prior to commencing his work as a lawyer, Alexander held the position of research fellow at Centrum för rättvisa, publishing legal research on constitutional law issues. Alexander earned his undergraduate and master’s degree from Uppsala University, specialising in European human rights law and has acquired experience in the ECHR system from an internship at the Swedish representation at the Council of Europe in Strasbourg. At Centrum för rättvisa, Alexander represents and advises individuals in public interest litigation on issues of fundamental rights and freedoms and due process. He is also engaged in public advocacy, holds lectures, and conducts legal research.

Paula is a Privacy and Civil Liberties Engineer at Palantir Technologies where she leads customer engagements on the technical implementation of EU data protection law. She advises public and private sector clients, including automotive, aerospace, drug development, health insurance, media, telecommunications, customs, and law enforcement.

Paula holds a Bachelor of Arts summa cum laude in French, European Cultural Studies and Near Eastern Studies from Princeton University, a Master of Public Policy from the Hertie School of Governance in Berlin, and a Master of Arts in Media, Culture, and Communication from New York University. She is a certified Data Protection Officer under the German Association for Data Protection and Data Security.

Wouter de Ridder is a veteran of European intelligence oversight, having been the Secretary for the Belgian Standing Intelligence Agencies Review Committee (Vast Comité I) for over 25 years. He also acts as security officer for the committee. Further, Wouter is the Secretary (registrar) of the Belgian Appeal Body for Security Clearances, Certificates and Advices, and an expert at the Geneva Centre for Security Sector Governance (DCAF). He holds a Master of Law from KU Leuven.

Dr. Oskar Josef Gstrein is Assistant Professor at Campus Fryslân - University of Groningen, where he is also a member of the Data Research Centre. He collaborates in the EU Horizon 2020 project Cutting Crime Impact and teaches in the graduate program 'Governance and Law in Digital Society' as well as the minor 'Data Wise'. At the same time, he is external lecturer at the Europa-Institut of the University of Saarland in Germany.

Karen Taylor is Chair of the European Network Against Racism (ENAR) and Director of Advocacy at Each One Teach One (EOTO e.V.), based in Germany. In addition, Karen is a member of the coordination group for the implementation of the "UN-Decade for people of African descent" in Germany.

Arild Færaas is the communications adviser in the secretariat of the Norwegian Parliamentary Oversight Committee on Intelligence and Security Services (The EOS Committee). He previously worked as a communications adviser for The Norwegian Board of Technology and
as a journalist for Aftenposten and other Norwegian local and national newspapers.

Lotte Houwing is a policy advisor and researcher at Bits of Freedom. She focuses primarily on the relationship between the state and its citizens and the power relations that accompany it. Her portfolio includes the secret services (the Intelligence and Security Services Act) and the investigatory powers of the police. She is committed to protecting citizens against any abuse of these powers.

Lotte obtained a Bachelor's degree in philosophy and IT law from the University of Groningen, and then completed a Research Master's degree in 'Functionality of the Law' with an emphasis on digital human rights with distinction, working within the Security Technology and e-Privacy (STeP) research group at the University of Groningen.

Lotte also did an internship with the criminal law department at Prakken d’Oliveira lawyers, supporting detainees with political actions, and worked as a file coordinator for the Intelligence and Security Services Act file at the Public Interest Litigation Project.