Campaigners who back a wealth tax

The strongest evidence first. Each name opens its dated, quoted sources.

Faiza Shaheen: Executive Director, Tax Justice UK (from July 2025); economist (United Kingdom, grade A)
Lisa Pelling: Head of Arena Idé; political scientist (Sweden, grade A)
Nick Marple: Impact investor; co-founder and trustee of Gower Street; governing board member (United Kingdom, grade A)
Rebecca Gowland: Executive Director, Patriotic Millionaires UK; founded its UK branch; previously (United Kingdom, grade A)
Ah Maftuchan: Executive Director of The PRAKARSA; Coordinator of FPBI; Co-coordinator of TAFJA (Indonesia, grade A)
Bob Lord: Senior Vice President for Tax Policy, Patriotic Millionaires; Associate Fellow, (United States, grade A)
Citizens' Liaison Committee for Fair Taxation (公正な税制を求める市民連絡会): Civil society advocacy coalition for progressive tax reform (Japan, grade A)
Heather Stevens: Co-founder and Chair of Trustees, The Waterloo Foundation; Admiral co-founder (United Kingdom, grade A)
Iñigo Macías: Researcher at Oxfam Intermón; author of the 2026 report on the wealth tax (Spain, grade A)
Jared A. Walker: Executive director, Canadians for Tax Fairness (Canada, grade A)
Patrick Nyangweso: CEO, National Taxpayers Association (Kenya, grade A)
Ralf Krämer: Trade union officer for economic policy, ver.di Bundesverwaltung; author (Germany, grade A)
Robert Palmer: Former executive director, Tax Justice UK (2018 to February 2025) (United Kingdom, grade A)
Sara Hall: Co-Executive Director UK, Positive Money; former Interim Executive Director, Tax (United Kingdom, grade A)
Ulrich Schneider (Paritätischer Gesamtverband): Chief executive of the Paritätischer Gesamtverband (at the time of the letter) (Germany, grade A)
Verena Bentele: President of the VdK social association (Germany, grade A)
Yoga Aldo Novensi: General Chair of Liga Mahasiswa Nasional untuk Demokrasi (LMND) (Indonesia, grade A)
Adrian Hatch: CEO, Workaid (INGO leader) (United Kingdom, grade A)
Adrian Lovett: Executive Director for the United Kingdom, Middle East and Asia Pacific, ONE (United Kingdom, grade A)
Alan Sweetman: Executive Director, Pahar Trust Nepal (INGO leader) (United Kingdom, grade A)
Alex Daniels: CEO, APT Action on Poverty (INGO leader) (United Kingdom, grade A)
Alex Kent: Co-CEO, Restless Development (INGO leader) (United Kingdom, grade A)
Alex Ritchie: CEO, Global Giving UK (INGO leader) (United Kingdom, grade A)
Alex White: Campaign strategist and former UnionsACT secretary (Australia, grade A)
Alexander Knapp: Founder and principal consultant, AKCGlobal (United Kingdom, grade A)
Alexandra Haas Paciuc: Executive Director (Mexico, grade A)
Alice Oyaro: Chief Executive Officer, Transform Trade (permanent appointment April 2025) (United Kingdom, grade A)
Aline Zunzunegui: Mexico national coordinator, Fight Inequality Alliance (Mexico, grade A)
Alison Marshall: CEO, Age International (INGO leader) (United Kingdom, grade A)
Alison Wallace: CEO, Right to Childhood (formerly SOS Children's Villages UK) (United Kingdom, grade A)
Amanda Wilkinson: Commercial Director, Women's Aid; former CEO, Motivation (United Kingdom, grade A)
Amber Shotton: Chair of Trustees, Small International Development Charities Network (INGO leade (United Kingdom, grade A)
Amine Bouzaïene: Public policy researcher, Centre Ali Ben Ghedhahem pour la justice fiscale (Tunisia, grade A)
Amy Jankiewicz: Chief Executive, Population Matters (INGO leader) (United Kingdom, grade A)
Ana Dutari: Report author (Mexico, grade A)
Andrew Betts: Director, Advantage Africa (INGO leader) (United Kingdom, grade A)
Anil Patil: Founder and Executive Director, Carers Worldwide (United Kingdom, grade A)
Anirban Bhattacharya: Leads the National Finance team, Centre for Financial Accountability (2023); cam (India, grade A)
Annabel Harris: Former CEO, Network for Africa (United Kingdom, grade A)
Antony Kamande: Inequality Research Coordinator, Oxfam (Kenya, grade A)
Aryanto Nugroho: National Coordinator of PWYP Indonesia; Co-Chair of Civil 20 (C20) Indonesia 202 (Indonesia, grade A)
Assalama Dawalack Sidi: West Africa Regional Director, Oxfam International (Nigeria, grade A)
Association for Correcting Unfair Taxation (不公平な税制をただす会): National legal and fiscal policy campaign organization (Japan, grade A)
Astrid Nilsson Lewis: Climate inequality policy adviser at Oxfam Sweden and report coauthor (Netherlands, grade A)
Auwal Musa Rafsanjani: Executive Director, Civil Society Legislative Advocacy Centre (CISLAC) (Nigeria, grade A)
Ben Leather: Director, Peace Brigades International UK (INGO leader) (United Kingdom, grade A)
Ben Simms: Chief Executive Officer, Global Health Partnerships (formerly THET) (INGO leader (United Kingdom, grade A)
Bethan Cobley: Director of External Relations, MSI Reproductive Choices (United Kingdom, grade A)
Bev Jullien: Former CEO, Mothers' Union (retired June 2026) (United Kingdom, grade A)
Bill Kilgannon: Public policy researcher and campaigner; former Executive Director of Public Int (Canada, grade A)
Bram Joanknecht: Expert on economic equality at Oxfam Novib (Netherlands, grade A)
Camila Garbutt: Head of Technical Advisory Unit, People in Need; Director of PIN UK at signing ( (United Kingdom, grade A)
Camilla Knox-Peebles: CEO, Amref Health Africa UK (INGO leader) (United Kingdom, grade A)
Camille Étienne: Environmental activist (France, grade A)
Caoimhe de Barra: Former Chief Executive, Trócaire (United Kingdom, grade A)
Carlos Brown Solà: Report author (Mexico, grade A)
Carlos Lázaro: Fiscal justice advocate and member of Economistas sin Fronteras (Spain, grade A)
Caroline Barber: Chief Executive, Transaid (INGO leader) (United Kingdom, grade A)
Catherine Pettengell: Executive Director, Climate Action Network UK (CAN-UK) (INGO leader) (United Kingdom, grade A)
Chantal Santerre: ATTAC-Québec representative and fiscal-policy report coauthor (Canada, grade A)
Charles Davy: Managing Director, Afghanaid (INGO leader) (United Kingdom, grade A)
Charlie Hay: CEO of AfriKids UK; co-leader of AfriKids’ International Leadership Team (United Kingdom, grade A)
Cherian Mathews: CEO, HelpAge International (INGO leader) (United Kingdom, grade A)
Chinedu Bassey: National Coordinator, Tax Justice and Governance Platform, and Programme Officer (Nigeria, grade A)
Christian Hallum: Tax and Inequality Policy Lead, Oxfam IBIS; co-author of the 2024 Nigeria Inequa (Nigeria, grade A)
Christina Bennett: CEO, Start Network (INGO leader) (United Kingdom, grade A)
Christine Allen: Executive Director, CAFOD (INGO leader) (United Kingdom, grade A)
Christopher Muwanguzi: CEO, Child's i Foundation (INGO leader) (United Kingdom, grade A)
Chuck Collins: Director, Program on Inequality and the Common Good, Institute for Policy Studie (United States, grade A)
Ciaran Maguire: CEO, Karuna Trust (INGO leader) (United Kingdom, grade A)
Colin Rogers: Former CEO, MapAction (United Kingdom, grade A)
Conny Reuter: Global Coordinator of the Progressive Alliance; former Secretary General of SOLI (Germany, grade A)
Cécile Duflot: Director general of Oxfam France (France, grade A)
Dan Paskins: Executive Director of Policy, Advocacy & Campaign, Save the Children UK (INGO le (United Kingdom, grade A)
Dana Mareková: Coordinator, Klimatická koalícia (Slovakia, grade A)
Daniela Trochowski: Executive Director of the Rosa-Luxemburg-Stiftung; former State Secretary of Fin (Germany, grade A)
Darren Cormack: CEO, Mines Advisory Group (INGO leader) (United Kingdom, grade A)
David Evans: UK Country Director, Ace Africa (United Kingdom, grade A)
David Kass: Former Executive Director, Americans for Tax Fairness (United States, grade A)
David Mason: Executive Director, HIAS+JCORE (United Kingdom, grade A)
David Thomson: CEO, All We Can (INGO leader) (United Kingdom, grade A)
Dhivya O'Connor: CEO, Cherie Blair Foundation for Women (INGO leader) (United Kingdom, grade A)
Diego Merla López: Fiscal Justice Director and report author (Mexico, grade A)
Dominik Gross: Expert on tax and financial policy, Alliance Sud (Switzerland, grade A)
Donald Pols: Director of Milieudefensie at publication (Netherlands, grade A)
Donna Covey: Former interim CEO, Anti-Slavery International; charity executive (United Kingdom, grade A)
Dylan Mathews: CEO, Peace Direct (INGO leader) (United Kingdom, grade A)
Edgar Pérez Medina: Report author (Mexico, grade A)
Efrén Pérez de la Mora: Report author (Mexico, grade A)
Elisabeth Gibeau: Union des consommateurs representative and fiscal-policy report coauthor (Canada, grade A)
Elizabeth Joy: Director, Dalit Solidarity Network UK (INGO leader) (United Kingdom, grade A)
Elizabeth Silver: Former CEO, Women and Children First UK (company dissolved April 2026) (United Kingdom, grade A)
Elvina Quaison: CEO, Shabaka (INGO leader) (United Kingdom, grade A)
Emilio del Río Castro: Report author (Mexico, grade A)
Emma Lydon: Managing Director, P Street (United States, grade A)
Emma Stevenson: Deputy CEO, Choose Love (at signing, February 2025) (United Kingdom, grade A)
Emma Wagner: Senior Education Policy and Advocacy Adviser, Save the Children UK; Co-Chair of (United Kingdom, grade A)
Ericka Taylor: Co-Executive Director, Americans for Financial Reform (United States, grade A)
Erika Beauchesne: Communications coordinator, Canadians for Tax Fairness (Canada, grade A)
Eva Smets: General Director, Oxfam België (Belgium, grade A)
Faith Mwangi-Powell: Former CEO, Girls Not Brides (United Kingdom, grade A)
Felicia Ewert: Political scientist, author and anti-discrimination trainer (Germany, grade A)
Fiona Bristow: Trustee and Director, Kanaama Interactive Community Support (United Kingdom, grade A)
Fiona Gorton: Finance and administration lead, Omega Research Foundation (United Kingdom, grade A)
Fiona Greig: Executive Director - Operations and Resources, Link Education International (ING (United Kingdom, grade A)
Fiona McSheehy: Former Interim CEO, Elrha (United Kingdom, grade A)
Fiona Morrell: Consultant, Theatre for a Change; former Executive Director (United Kingdom, grade A)
Fola Komolafe: CEO, World Vision UK (United Kingdom, grade A)
Frances Guy: CEO, Scotland's International Development Alliance (United Kingdom, grade A)
Francesc Xavier Martínez Gil: President of the Platform for Fair, Environmental and Solidarity Taxation (Spain, grade A)
Francis Agbere: West Africa Inequality Campaigner, Oxfam; co-author of the 2024 Nigeria Inequali (Nigeria, grade A)
Gargi Banerji: Chair, Pragya India; Director of Pragya at signing (2025) (United Kingdom, grade A)
Garry Walsh: Oxfam Ireland blog author (Ireland, grade A)
George Graham: Chief Executive, Humanity & Inclusion UK (INGO leader) (United Kingdom, grade A)
Gerard Bosman: Public social-democratic policy author and PvdA activist (Netherlands, grade A)
Gillian McMahon: Executive Director, Right To Play UK (INGO leader) (United Kingdom, grade A)
Graham Matthews: Socialist Alliance disability spokesperson (Australia, grade A)
Gregar Berg-Rolness: Faglig rådgiver i Tax Justice Norge, forfatter og tidligere avdelingssjef i Skat (Norway, grade A)
Haeyoung Yoon: Vice President of Policy and Advocacy, National Domestic Workers Alliance (United States, grade A)
Halima Begum: Former CEO, Oxfam GB (2024–2025) (United Kingdom, grade A)
Hamza Lawal: Founder and Chief Executive, Connected Development (CODE) (Nigeria, grade A)
Hanna Nelson: Policy director and tax spokesperson of Oxfam Sverige (Sweden, grade A)
Hannah Bond: Co-Chief Executive Officer, ActionAid UK (United Kingdom, grade A)
Hannah Stevenson Doornbos: Executive Director, South West International Development Network (SWIDN) (INGO l (United Kingdom, grade A)
Harriet Gordon-Brown: CEO, CHASE Africa (INGO leader) (United Kingdom, grade A)
Helen McEachern: Chief Executive Officer, CARE International UK (INGO leader) (United Kingdom, grade A)
Helen Pattinson: CEO, War Child UK (INGO leader) (United Kingdom, grade A)
Henrietta Blackmore: National Director/CEO, Habitat for Humanity Great Britain (INGO leader) (United Kingdom, grade A)
Henry Ushie: Accountable Governance Programme Manager and Fiscal Accountability for Inequalit (Nigeria, grade A)
Herni Ramdlaningrum: Program Manager at The PRAKARSA (Indonesia, grade A)
Hussaini Abdu: Country Director, CARE International in Nigeria (2021-2025); former Country Dire (Nigeria, grade A)
Inge Hannemann: Author and social justice campaigner (Germany, grade A)
Irfan Khan: Director, Humanitarian and International Partnerships, Muslim Hands (INGO leader (United Kingdom, grade A)
Ishmael Zulu: Policy and Advocacy Officer (Tax and Equity), Tax Justice Network Africa; editor (Nigeria, grade A)
James Harcourt: Former Managing Director, Options (now closed) (United Kingdom, grade A)
James Tibenderana: Chief Executive, Malaria Consortium (INGO leader) (United Kingdom, grade A)
Jamie Eyre: CEO, Embrace the Middle East (INGO leader) (United Kingdom, grade A)
Jane Salmonson: Board member and former Director, Firefly (United Kingdom, grade A)
Jean McLean: Chief Influencing Officer, Oxfam GB (United Kingdom, grade A)
Jean-Michel Grand: Executive Director, Action Against Hunger UK (United Kingdom, grade A)
Jennifer Tierney: Chief executive (Australia, grade A)
Jenny Willmott: Co-CEO, STiR Education (INGO leader) (United Kingdom, grade A)
Jesper Hörnberg: CEO, The Global Resilience Partnership (INGO leader) (United Kingdom, grade A)
Jessica Woodroffe: Director, Gender and Development Network (INGO leader) (United Kingdom, grade A)
Jim Emerson: Senior Advisor to the Board, The Power of Nutrition; former CEO (until July 2025 (United Kingdom, grade A)
Jo Ashbridge: Founder and CEO, AzuKo (United Kingdom, grade A)
Jo Spratt: Oxfam Aotearoa advocacy and campaigns director (New Zealand, grade A)
John Anderson: Tax policy researcher and author, Canadians for Tax Fairness (Canada, grade A)
John Makina: Country Director, Oxfam in Nigeria (2023-2025); co-author and foreword author of (Nigeria, grade A)
John McLaverty: Co-Chair, Send My Friend to School (INGO leader) (United Kingdom, grade A)
John Plastow: Executive Director, Frontline AIDS (INGO leader) (United Kingdom, grade A)
John Reynolds: CEO, International Nepal Fellowship (INGO leader) (United Kingdom, grade A)
Jon Harle: Executive Director, INASP (INGO leader) (United Kingdom, grade A)
Jonas Gielfeldt: Fair Tax Monitor Global Coordinator, Oxfam IBIS; co-author of the 2024 Nigeria I (Nigeria, grade A)
Jonathan Cohen: Executive Director, Conciliation Resources (INGO leader) (United Kingdom, grade A)
Jonathan Gauvin: Federal NDP Director of Policy; co-author of Share the Wealth! (Canada, grade A)
Jonathan Tasini: Chief petitioner, Very Rich Pay Their Fair Share Act (Oregon) (United States, grade A)
Julian Watson: CEO and Founder, Mbedza Projects Support (United Kingdom, grade A)
Julien Desiderio: Tax justice policy expert at Oxfam Belgique (Belgium, grade A)
Juri Haas: Primary-school educator and GEW Berlin activist (Germany, grade A)
Jörn Sturm: Managing Director, Hinz&Kunzt gemeinnützige Verlags- und Vertriebs GmbH (Germany, grade A)
Kate Newman: CEO, INTRAC (INGO leader) (United Kingdom, grade A)
Katie Husselby: Former Director, Action for Global Health (United Kingdom, grade A)
Katrina Miller: Former executive director, Canadians for Tax Fairness (Canada, grade A)
Kavita Prasad: Chief Executive, Sense International (since April 2025) (United Kingdom, grade A)
Kenji Utsunomiya (宇都宮健児): Co-representative of Citizens' Liaison Committee for Fair Taxation, former Presi (Japan, grade A)
Kenneth Akpan: Climate Justice Project Coordinator, Oxfam in Nigeria (Nigeria, grade A)
Khalid Javid: CEO, Muslim Aid (INGO leader) (United Kingdom, grade A)
Khusbu Patel: Executive Director, International Rescue Committee UK (INGO leader) (United Kingdom, grade A)
Kirsty Smith: CEO, CBM UK (INGO leader) (United Kingdom, grade A)
Kitty Arie: CEO, Results UK (INGO leader) (United Kingdom, grade A)
Kristen Crowell: Executive Director, Families Over Billionaires (formerly Fair Share America) (United States, grade A)
Kristina Avalo Høie: Seniorrådgiver i Skatteetaten, styremedlem i Tax Justice Norge (Norway, grade A)
Kristine Stave: CEO, The World Federation of Societies of Anaesthesiologists UK (INGO leader) (United Kingdom, grade A)
Kwesi Obeng: Regional Inequality Lead, Oxfam in West Africa; co-author of the 2024 Nigeria In (Nigeria, grade A)
Lalu Hendri Bagus: Researcher at Transparency International Indonesia (Indonesia, grade A)
Lara Allen: CEO, Centre for Global Equality; Inclusive Innovation Programme Director, Univer (United Kingdom, grade A)
Lara McIvor: Joint CEO, Seenaryo (United Kingdom, grade A)
Lars Koch: Oxfam Danmark secretary-general (Denmark, grade A)
Layla Abdelké Yakoub: Head of advocacy, tax justice and inequality, Oxfam France (France, grade A)
Leonardo Castellanos González Plata: Report author (Mexico, grade A)
Lisa Donner: Co-Executive Director, Americans for Financial Reform (United States, grade A)
Liza Tong: Director, A Leg To Stand, A Hand To Feed (INGO leader) (United Kingdom, grade A)
Lizzie Nelson: U.K. Director, Search for Common Ground (INGO leader) (United Kingdom, grade A)
Lorraine Currie: CEO, Scottish Catholic International Aid Fund (INGO leader) (United Kingdom, grade A)
Lyn Morgain: Former chief executive of Oxfam Australia (Australia, grade A)
Lynne Morris: CEO, Toybox (INGO leader) (United Kingdom, grade A)
Magda Albrecht: Author, speaker and political educator (Germany, grade A)
Maina van der Zwan: Coordinator of Internationale Socialisten at evidence date (Netherlands, grade A)
Mandla Deskins: Executive Committee member, Fair Budget Coalition; former advocacy manager, Take (United States, grade A)
Marcin Gerwin: Sustainable-development and deliberative-democracy specialist (Poland, grade A)
Marcos Concepcion Raba: Executive Director, Global Network of Civil Society Organisations for Disaster R (United Kingdom, grade A)
Mark Galloway: Executive Director, International Broadcasting Trust (INGO leader) (United Kingdom, grade A)
Mark Smith: Co-director, Enable-Ed CIC (United Kingdom, grade A)
Mark Waddington: Chief Executive, Hope and Homes for Children (United Kingdom, grade A)
Martin Brehm Christensen: Senior Global Tax Policy Advisor, Oxfam Novib; co-author of the 2024 Nigeria Ine (Nigeria, grade A)
Martin Drewry: Director, Health Poverty Action (United Kingdom, grade A)
Martin Hartberg: Director, Norwegian Refugee Council UK (London office) (United Kingdom, grade A)
Martín Méndez: Secondary school teacher and Nuestra Clase contributor (Mexico, grade A)
Matteo Prencipe: National Coordinator, Comitato 1% Equo (Italy, grade A)
Matthew Lake: Country Representative, Dhaka Ahsania Mission UK (United Kingdom, grade A)
Meliana Lumbantoruan: Deputy Director of PWYP Indonesia; Coordinating Committee of TAFJA (Indonesia, grade A)
Melissa Cooke: Oxfam Ireland blog author (Ireland, grade A)
Michael Deriaz: Chairman, Friends of Kipkelion (INGO leader) (United Kingdom, grade A)
Michael Young: Executive Director, British and Irish Agencies Afghanistan Group (INGO leader) (United Kingdom, grade A)
Mick Sheldrick: Co-Founder, Global Citizen (INGO leader) (United Kingdom, grade A)
Mike Podmore: CEO, STOPAIDS (INGO leader) (United Kingdom, grade A)
Mikhail Maslennikov: Economic Justice Policy Advisor, Oxfam Italia (Italy, grade A)
Miriam Hernández: Latin America regional coordinator, Fight Inequality Alliance (Mexico, grade A)
Mónica Soto Elízaga: Debt campaign co-founder and public speaker (Mexico, grade A)
Nebiye Merttürk: General President, Halkevleri (Turkey, grade A)
Neeraj Jain: Associate editor, Janata Weekly; political activist (India, grade A)
Nic Hailey: Executive Director, International Alert (INGO leader) (United Kingdom, grade A)
Nick Hinton: Chairman, Britain and Nepal NGOs (INGO leader) (United Kingdom, grade A)
Nick Rose: Executive director of Sustain (Australia, grade A)
Nick Sankey: Executive Director, Pratham UK (INGO leader) (United Kingdom, grade A)
Nicola Cousins: Company Director, Driving Aid to Ukraine (INGO leader) (United Kingdom, grade A)
Nicola Swan: Executive Director, BE REEL (INGO leader) (United Kingdom, grade A)
Nigel Harris: Former Chief Executive, Tearfund (left June 2025) (United Kingdom, grade A)
Nik Kafka: CEO & Founder, Teach A Man To Fish (INGO leader) (United Kingdom, grade A)
Parmi Dheensa: Founder and Executive Director, Include Me TOO (United Kingdom, grade A)
Patrick Hoop: Chair of De Collectieve Beweging and initiator of Stop Corruptie NL (Netherlands, grade A)
Patrick Kühl: Diplom-Finanzwirt and Tax Advisor (Germany, grade A)
Patrick Watt: CEO, Christian Aid (INGO leader) (United Kingdom, grade A)
Paul Chitnis: Province Delegate for Social & Ecological Justice, Jesuits in Britain; former Di (United Kingdom, grade A)
Paul Smith: UK Director, Musana UK (INGO leader) (United Kingdom, grade A)
Paul Sommerfeld: Executive Trustee, TB Alert (INGO leader) (United Kingdom, grade A)
Paul Stuart: CEO, Ripple Effect (INGO leader) (United Kingdom, grade A)
Peter Ringstad: Political Director (politisk leder) & tax policy advisor, Tax Justice Norge (Norway, grade A)
Peter Taylor: Director, Institute of Development Studies (IDS) (INGO leader) (United Kingdom, grade A)
Peter Waddup: CEO, The Leprosy Mission (INGO leader) (United Kingdom, grade A)
Petter Matthews: Executive Director, Engineers Against Poverty (INGO leader) (United Kingdom, grade A)
Rachel Hudson: Fundraising, Marketing and Communications Director, Practical Action; former Act (United Kingdom, grade A)
Rachel Lindley: Co-CEO, Five Talents (at signing, February 2025) (United Kingdom, grade A)
Rebecca Cronin: CEO, Orbis UK; Regional Director, Orbis Europe and the Middle East (United Kingdom, grade A)
Regina Afiemo: Deputy Programmes Director and Policy and Advocacy Coordinator, Oxfam in Nigeria (Nigeria, grade A)
Richard Hawkes: Interim Chief Executive, Oxfam GB; former Chief Executive, British Asian Trust (United Kingdom, grade A)
Riski Oktara Putra: Secretary General of LMND (Indonesia, grade A)
Romilly Greenhill: CEO, Bond (INGO leader) (United Kingdom, grade A)
Romin Khan: Policy Officer for Migration and Anti-Racism, ver.di Bundesverwaltung (Germany, grade A)
Rosa Varillas Ordóñez: Political organiser and published author (Peru, grade A)
Rose Caldwell: CEO, Plan International UK (INGO leader) (United Kingdom, grade A)
Russel Norman: Executive director of Greenpeace Aotearoa; former Green Party co-leader (New Zealand, grade A)
Sam Mason: CEO, Humanitarian Aid Relief Trust (HART) (INGO leader) (United Kingdom, grade A)
Samir Patel: CEO, Comic Relief (INGO leader) (United Kingdom, grade A)
Sandra Golding: CEO, ADRA-UK (INGO leader) (United Kingdom, grade A)
Sandro Witt: Deputy Chairman of DGB Hessen-Thüringen, Head of DGB Region Thüringen (Germany, grade A)
Sanj Srikanthan: Chief Executive, ShelterBox (INGO leader) (United Kingdom, grade A)
Sara Bowcutt: Managing Director UK, Women for Women International (INGO leader) (United Kingdom, grade A)
Sarah Hand: Former CEO, Avert (United Kingdom, grade A)
Sayyeda Salam: Executive Director, Concern Worldwide UK (INGO leader) (United Kingdom, grade A)
Shabnam Nasimi: Co-Founder and Director, Friends of Afghan Women Network (United Kingdom, grade A)
Sigrid Klæboe Jacobsen: Senior Advisor at Skatteforsk & former Executive Director of Tax Justice Norge ( (Norway, grade A)
Siobhan Walsh: CEO, GOAL Global (INGO leader) (United Kingdom, grade A)
Soledad Rodríguez Moreno: Report author (Mexico, grade A)
Sorley McCaughey: Tax justice campaigner (Ireland, grade A)
Stephanie Kuhnen: Author, journalist and LGBTQ activist (Germany, grade A)
Susan Harley: Managing Director, Public Citizen’s Congress Watch (United States, grade A)
Susan Price: Socialist Alliance national executive member and Green Left editor (Australia, grade A)
Susana Klien: CEO, Saferworld (INGO leader) (United Kingdom, grade A)
Suzanne Standfast: Secretary general of Oxfam Sverige (Sweden, grade A)
Tijani Ahmed Hamza: Country Director, Oxfam in Nigeria (Nigeria, grade A)
Tim Wainwright: Chief Executive, WaterAid (INGO leader) (United Kingdom, grade A)
Tom Mitchell: Executive Director, International Institute for Environment and Development (ING (United Kingdom, grade A)
Tora Danielsen: Rådgiver i Tax Justice Norge (Norway, grade A)
Tricia Barnett: Co-Founder, Equality in Tourism (United Kingdom, grade A)
Tufail Hussain: CEO, Islamic Relief Canada; former UK Director, Islamic Relief (United Kingdom, grade A)
Vasilis Panagos: Tax the Rich campaign coordinator and former Eteron communications head (Greece, grade A)
Victoria Barron: Patient Access Specialist, Planned Parenthood of Pacific Southwest; signer of th (United States, grade A)
Vincent Ahonsi: Former Country Director, Oxfam in Nigeria (2020-2023) (Nigeria, grade A)
Vincent Drezet: Spokesperson of Attac France (France, grade A)
Véronique Laflamme: FRAPRU spokesperson and housing advocate (Canada, grade A)
Wahidin: Chairperson of EW-LMND Sumatera Selatan (Indonesia, grade A)
Wendy Harrison: CEO, Unlimit Health (INGO leader) (United Kingdom, grade A)
Yossi Bartal: Author, journalist and political activist (Germany, grade A)
Óscar Ayala Amarilla: Secretario Ejecutivo de la CODEHUPY (2018-2022) (Paraguay, grade A)
Øystein Fossbraaten: Sociologist, tax policy analyst, Attac Norge & Velferdstinget (Norway, grade A)
Edward Gildea: Environmental campaigner and former headteacher (United Kingdom, grade B)
Julia Jirmann: Spokesperson, Netzwerk Steuergerechtigkeit (Germany, grade B)
Manuel Schmitt: Social inequality officer, Oxfam Deutschland (Germany, grade B)
Matthew McGregor: Director of Political Strategy, 10 Downing Street (from July 2026); formerly CEO (United Kingdom, grade B)
Nitirat Sapsomboon: Director of the We Fair Network (Thailand, grade B)
Prashant Bhushan: Senior Supreme Court lawyer (India, grade B)
Raveen Jeyakumar: Social reform writer and youth activist (Malaysia, grade B)
Agnes Nyirongo: Economic Governance Officer (Malawi, grade B)
Amitabh Behar: Chief Executive Officer, Oxfam India (2023) (India, grade B)
Ana Vicencio: Alianza contra la Desigualdad member (Mexico, grade B)
Andreas Daurù: Member of the initiative committee "Faire Finanzierung der Corona-Hilfen" (Switzerland, grade B)
Andreas Fjeldskår: Executive Director, Tax Justice Norge (Norway, grade B)
Anna Wall-Strasser: Bundesvorsitzende der Katholischen Arbeitnehmer:innen-Bewegung Österreich (KABÖ) (Austria, grade B)
Anne Marte Skaland: Senior Advisor for Tax Justice, Kirkens Nødhjelp (Norway, grade B)
Anne-Claude Hensch: Member of the initiative committee "Faire Finanzierung der Corona-Hilfen" (Switzerland, grade B)
Annet Nerima: Inclusion and political justice manager, Kenya Human Rights Commission (Kenya, grade B)
Anthony Kamande: Inequality Research Co-ordinator, Oxfam International (Ghana, grade B)
Anuradha Talwar: Democratic rights activist (as named in the press statement) (India, grade B)
Araceli González Moyaho: Debt campaign signatory (Mexico, grade B)
Aruna Roy: Democratic rights activist (as named in the press statement) (India, grade B)
Astrid Hauge Rambøl: Advisor, Rødt & Member of the Torvik Tax Commission (Norway, grade B)
Bastian Neuwirth: Economic expert, Greenpeace (Germany, grade B)
Beat Bloch: Member of the initiative committee "Faire Finanzierung der Corona-Hilfen" (Switzerland, grade B)