Legal and tax experts who back a wealth tax

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

Anfip (Associação Nacional dos Auditores Fiscais da Receita Federal do Brasil) (Brazil, grade A)
Fenafisco (Federação Nacional do Fisco Estadual e Distrital) (Brazil, grade A)
Gestha (Sindicato de Técnicos del Ministerio de Hacienda): Union of Finance Ministry tax technicians (Spain, grade A)
Neil Brooks: Professor emeritus of tax law, Osgoode Hall Law School (Canada, grade A)
Stephen Kinsella: Former EU antitrust lawyer; co-founder of Law for Change and founder of Clean Up (United Kingdom, grade A)
Blakey Okwudili Ijezie: Chartered Accountant and Managing Partner, Okwudili Ijezie & Co. (Chartered Acco (Nigeria, grade A)
Botax Consulting Indonesia: Tax advisory and fiscal policy consulting firm (Indonesia, grade A)
Carlo Jadnanansing: Jurist, former notary and legal scholar (Suriname, grade A)
Charlie Bruijsten: Tax professional and NLFiscaal opinion author (Netherlands, grade A)
Christopher Ram: Managing Partner, Ram & McRae; attorney-at-law (Guyana, grade A)
Dan Chitic: Lawyer and public campaigner (Romania, grade A)
Domingo Carbajo Vasco: State tax inspector and economist (Spain, grade A)
Emma Chamberlain: Tax barrister, Pump Court Tax Chambers; visiting professor; Wealth Tax Commissio (United Kingdom, grade A)
Frank Herreveld: Tax lawyer and published tax-policy opinion author (Netherlands, grade A)
Henry Meijer: Tax adviser and author; former founder/director of MFAS (Netherlands, grade A)
Jan Soons: Jurist, social economist and published author (Netherlands, grade A)
Juan Sebastián Ceballos: Researcher at Dejusticia (Colombia, grade A)
Katsuhiko Kondo (近藤克彦): Certified Public Tax Accountant (税理士) (Japan, grade A)
Michiel Spanjers: Fiscalist, tax-policy columnist and former Finance Ministry political adviser (Netherlands, grade A)
Miranda Stewart: Professor of tax law (Australia, grade A)
Motonan Narita (成田元男): US Enrolled Agent and tax scholar (Japan, grade A)
Napoleón Santamaría: Lawyer and commentator (Ecuador, grade A)
Philippe Albert: Professor of international tax law at Nyenrode; Baker Tilly tax technical direct (Netherlands, grade A)
Raden Agus Suparman: Managing Director of Botax Consulting Indonesia; former Directorate General of T (Indonesia, grade A)
Reinier Kooiman: Tax-law researcher and author (Netherlands, grade A)
Roy Shyamnarain: Tax consultant and legal advisor (Suriname, grade A)
Txema Mendibil: Former tax inspector and author (Spain, grade A)
Yayasan Lembaga Bantuan Hukum Indonesia: National Legal Aid Foundation (Indonesia, grade A)
Yenti Nurhidayat: Researcher at Pusat Kajian Hukum dan Anggaran Indonesia (PUSKAHA) (Indonesia, grade A)
Abdur Rahman Khan: Chairman, National Board of Revenue (Bangladesh, grade B)
Daniel Murakaru: Researcher, Institute of Public Finance; legal advisor, Kenya Women Parliamentar (Kenya, grade B)
Maria Regina Paiva Duarte: President of Instituto Justiça Fiscal; retired Receita Federal tax auditor (Brazil, grade B)
Ahmed Adeniyi Raji: Senior Advocate of Nigeria (SAN) and Principal Partner, Ahmed Raji & Co. (Nigeria, grade B)
Ahn Chang-nam (안창남): Tax scholar and professor (South Korea, grade B)
Auditores Fiscais pela Democracia (Brazil, grade B)
Chabane Assad: Fondateur et directeur du cabinet Finabi Conseil; financial and tax expert (Algeria, grade B)
Dave Marra: Budget adviser and EcuAction alternative-tax proposal co-developer (New Zealand, grade B)
Dr. Ikramul Haq: Advocate Supreme Court of Pakistan and Adjunct Professor (Pakistan, grade B)
Dwi Sudarsono: Head of Ombudsman RI West Nusa Tenggara Representative Office (Indonesia, grade B)
Eiji Mizutani (水谷英二): Judicial Scrivener, Secretary of National Conference for Student Loan Countermea (Japan, grade B)
Emily Wakesho: Economic policy and fiscal justice advocate of the High Court of Kenya (Kenya, grade B)
Hiroki Bito (尾藤廣喜): Attorney at Law, Kyoto Bar Association, National Welfare Rights Conference (Japan, grade B)
Huzaima Bukhari: Advocate Supreme Court of Pakistan and Adjunct Professor (Pakistan, grade B)
Ihor Pyroha: Professor of law (Ukraine, grade B)
Indian Revenue Service officers (FORCE paper): About 50 serving Indian Revenue Service officers who wrote the April 2020 paper (India, grade B)
Juan Carlos Valdez: Tax lawyer, economic analyst, and co-host of Boza con Valdez on VTV (Venezuela, grade B)
Kamel Aissani: Former Directeur général des Impôts (2019–2020) (Algeria, grade B)
Koji Shinzato (新里宏二): Attorney at Law, Sendai Bar Association, Vice-Chair of Black Baito Victims Group (Japan, grade B)
Lisa Marriott: Professor of taxation, Victoria University of Wellington (New Zealand, grade B)
M. Azam Shaikh: Advocate, General Secretary of the Tax Bar Association Larkana (Pakistan, grade B)
Mary Ongore: Senior Legal Manager (Sustainable Finance), International Lawyers Project (Kenya, grade B)
Serhii Pyroha: Associate professor of law (Ukraine, grade B)
Syed Md Aminul Karim: Former member (Income Tax Policy Wing), National Board of Revenue (Bangladesh, grade B)
Tadashi Inomata (猪股正): Attorney at Law, Secretary General of Fair Tax Coalition, Saitama Bar Associatio (Japan, grade B)
Yoshiki Takeshita (竹下義樹): President of Japan Blind Association, Attorney at Law (Japan, grade B)
Zy-za Nadine Suzara: Public budget analyst (Philippines, grade B)
Charles Alcantara: President of Fenafisco (state tax auditors' federation) (Brazil, grade C)
Hanna Yarenko: Lawyer (Ukraine, grade C)
Mauro Silva: President of Unafisco (federal tax auditors) (Brazil, grade C)
S. P. Shukla: Former Finance Secretary, Government of India (India, grade C)
Susana Ríos Laguna: Tax specialist and former vice minister of tax policy (Bolivia, grade C)
Unafisco (Associação Nacional dos Auditores Fiscais da Receita Federal do Brasil): Association of federal tax auditors (Brazil, grade C)