Professor Emérita Derecho Tributario, Faculty of Law, Universidad de la República, Uruguay. Director of the Specialization of Derecho Tributario de dicha Universidad.

Master and PhD in Tax Law from the Faculty of Law of UFMG. Co-president of the Brazilian Association of Tax Law – Abradt – Partner at Marcelo Tostes Advogados.

Alessandra Okuma, PhD and Master in Tax Law – PUC-SP, professor of postgraduate courses, president of Tax & Women.

Professor of Tax Law at the Faculty of Law of UFMG, Coordinator of the International Taxation Group in the 21st Century – Trinter 21 at UFMG, Doctor in Tax Law from USP. Advanced Professional Certificate in International Taxation from IBFD, in the Netherlands.

Allison Christians is the H. Heward Stikeman Chair in the Law of Taxation at the McGill University Faculty of Law in Montreal, Canada.

Professor of the Professional Master's Degree at IBDT. Chair, Women of IFA Network. Member, IFA Supervisory Board, NYU International Tax Program Practice Council. PhD in Economic-Financial Law, USP. Partner at Utumi Advogados.

Director of ABDF, co-chair of WIN Brasil, member of the WIN committee of IFA, professor at Insper.

PhD from the University of Salamanca. Professor at UFPE and Tax Auditor at the Federal Revenue of Brazil.

Associate Professor of Tax Law at USP. Lawyer and Opinionist. Partner of Sacha Calmon – Misabel Derzi Advogados.

Andrea has more than 20 years of experience in the tax area. She started her career in 2003 at PWC Uruguay, joining the Directorate General of Taxation, within the Ministry of Economic and Finance, in 2012, as tax advisor. She pursued her PhD at the University of Valencia, Spain. She has lectured at several national and foreign universities, and she is President of IFA Latam and President of the Uruguayan Tax Studies Institute. She has also been an external consultant to the Inter-American Development Bank.

Postdoctoral degree from the Universidad Carlos III de Madrid. Researcher at the Max Planck Institute for Tax Law and Public Finance in Munich.

Attorney. Full Professor of Tax Law at UFPR. Post-Doctorate Univ. from Lisbon. President of the ABDF. Professor of the IBET master's degree.

PhD student in Tax Law at USP. Master in Tax Law from FGV Direito SP. Professor of extension and postgraduate courses. Lawyer and Accountant. Partner at Camargo Ferrari Advogados.

Partner at Nader Quintella Advogados and partner/teaching coordinator at EDDA. Former advisor to the Superior Chamber of Tax Appeals (CSRF) and Vice-President of the 1st Section of CARF. Master in Tax Law from PUC/SP. He is a Professor at the LL.M. at INSPER.

PhD in Tax Law from UFRGS, Professor of Tax Law at UFRGS, president of the Institute of Tax Studies – IET.

Partner in the Tax area at Machado Meyer Advogados. Master's degree from PUC/SP. Attorney.

Professor of the Professional Master's Degree at the Brazilian Institute of Tax Law. Attorney. PhD and Master in Tax Law from the University of São Paulo.

Tax Auditor at the Federal Revenue of Brazil, Master in International Tax Law, representative of Brazil in the OECD BEPS Project and current Undersecretary of Taxation and Litigation at the RFB.

Trench partner, Rossi Watanabe Advogados; Trench Rossi Watanabe Tax Practice Group Leader; Graduated in Legal and Social Sciences from the Federal University of Rio Grande do Sul (UFRGS) (1988); Master in European Law from the Europa Institute of Saarland University – Germany (1991); He taught Private International Law at the Faculty of Law of the Pontifical Catholic University of Rio Grande do Sul (PUC/RS) (1991-2003); Member of the Technical Council for Tax, Legal and Civil Affairs of the Federation of Industries of the State of Rio Grande do Sul – FIERGS; Speaker at the Baker McKenzie International Tax Law Seminars.

RFB Tax Auditor. International Taxation Coordinator and Deputy General Taxation Coordinator. Delegate from Brazil at OECD WP6. Master in International Taxation from IBDT.

Lawyer, master in civil procedural law from USP, partner in the tax area of ​​Machado Meyer, member of the Special Commission on Tax Law at OAB/RJ.

Lawyer and Accountant in São Paulo. Master in Economic Law, specializing in Tax Law. Partner in the Tax Consulting Area at PwC Brasil.

PhD and Master from PUC/SP. Professor at IBDT and FGV. Attorney.

Prof. Dr Eric C.C.M Kemmeren is professor of international tax law and international taxation at the Fiscal Institute Tilburg of Tilburg University, The Netherlands. He is also a deputy justice of the Arnhem Court of Appeal (Tax Division) and of counsel to Ernst & Young Belastingadviseurs B.V., Rotterdam, The Netherlands.

Master in Tax Law from USP. IBDT advisor.

Professor of Tax Law in the specialization course in Financial and Tax Law at UERJ. Master’s student in International and Comparative Tax Law at IBDT and LLM in Regulatory Law at FGV.

Post-Doctorate in Tax Law (USP). PhD in Public Finance, Taxation and Development (UERJ). Founding partner of Renault Advogados (RPLAW). Visiting professor in Executive Education Programs (FGV/IBMEC). Professor at PJT/ABDF. Professor of the Master's Program in Law at Candido Mendes University. Legal Vice President of Botafogo Futebol e Regatas.

Pro-rector of IBDT. Full professor in Tax Law at the Faculty of Law of USP.

PhD in Tax Law from USP. LL.M. in International Taxation from NYU. Arthur T. Vanderbilt Scholar. Postgraduate in International Taxation from IBDT. Partner at Tauil & Checker Advogados Associated with Mayer Brown.

Partner at Pinheiro Neto Advogados. LL.M. in Tax Law from Leiden University.

Professor at the Università Cattolica di Piacenza. President of the International Fiscal Association (IFA), and member of the board of trustees of IBFD.

Professor at the Faculty of Economics, Administration, Accounting and Actuarial Science at the University of São Paulo (FEA/USP) and Professor of the Professional Master's Degree at IBDT. PhD in Tax Law from the University of São Paulo. Master in International Taxation from the University of Michigan. Bachelor of Laws from the University of São Paulo. Lawyer in São Paulo.

PhD from USP. Teacher and lawyer.

• Lawyer, Graduated in Law from PUC-SP.
• PhD student in Tax Law at the USP Law School.
• President of the Brazilian Tax Law Association – ABAT
• Professor of Extension Courses at Escola Paulista de Direito (EPD).
• Member of the Superior Law Council of Fecomercio.

Professor of the Masters at IBDT. PhD in Law from USP, with an internship at the OECD and “visiting research” at WU Vienna University, with OeAD and Sylff scholarships. Partner at Heleno Torres Advogados.

Full Professor of Financial Law at the Department of Economic, Financial and Tax Law at the Faculty of Law of the University of São Paulo. President of the Instituto Latinoamericano de Derecho Tributario – ILADT. PhD from PUC/SP and Free Professor in Tax Law (USP). Attorney.

Full Lecturer in Tax Law at the Faculty of Law of USP. Associate Professor at UFC Law School. Lawyer and Legal Consultant.

Full Professor of Tax Law at USP. Postdoctoral internships at the Universities of Bonn, Heidelberg and Harvard. PhD in Law from the University of Munich. Attorney.

Isabel Calich holds an LL.M and PhD in tax law from the London School of Economics and Political Science (LSE). She is a professor of the Professional Masters at IBDT.

As a Partner at NOEMA Global, Isabel advises the most iconic companies at the intersection of transfer pricing, corporate tax policy and strategic decision-making, helping them to navigate complexity with clarity, confidence and strong personal brand network leverage.

LLM from the London School of Economics, PhD from Queen Mary University of London, professor of the Masters at IBDT. Founding partner of Rolim, Goulart, Cardoso Advogados.

Professor of Tax Law at the Portuguese Catholic University. Deputy Academic Chairman.

Vice-President of IBDT. Doctor and Master from USP. Attorney.

Professor at IBDT. Doctor and Master from USP. LL.M in International Tax Law from Georgetown University. Partner at Andrade Maia Advogados.

Head of Technical and Legal Advisory at CARF, Tax Auditor at the Federal Revenue of Brazil, Advisor to the Administrative Council of Tax Appeals (CARF), professor, researcher and Deputy Coordinator of the Professional Master's Program in Public Policy and Government at FGV EPPG. She is a member of the International Academy of Customs Law, PhD in Tax Law from PUC-SP, Master in Law and specialist in International Taxation from Harvard University, where she was awarded the Landon H. Gammon Fellow Award.

Full Professor at the Faculty of Law at USP. President of IBDT. Founder of Lacaz Martins Advogados.

Master of Tax Law (LL.M.) from the University of Florida. Specialist in Business Law from PUC-SP and Bachelor of Law from PUC-Santos. Attorney.

Doctor and Master in Tax Law from USP. Postdoctoral internship at IBFD (Netherlands). Director of IBDT. Coordinator of the Professional Master's Degree in International and Comparative Tax Law at IBDT. Former CARF advisor. Partner of International Tax Experts – ITX.

Full Professor, Université Jean Moulin Lyon 3, Lyon, France.

Lawyer, Master in Tax Law from FGV, Contributing Judge at the Tax and Fees Court of the State of SP and Contributing Judge at the Municipal Tax Council of SP.

Doctor and Master in Tax Law. Professor at PUC Minas in undergraduate, master's and doctorate courses in law. Attorney.

PhD in Tax Law from the Pontifical Catholic University of São Paulo, counselor of the 1st Panel of the Superior Chamber of Tax Appeals of CARF, licensed lawyer, accountant and professor at IDP.

Full professor in Tax Law at USP. Professor at Mackenzie/SP and the Professional Master's Degree at IBDT.

Doctor, Master and Bachelor from the Faculty of Law at USP. Collaborating Professor of the Professional Master's Degree at IBDT and Coordinator of the Specialization in International Tax Law at IBDT.

Master and PhD in tax law from USP. former CARF advisor, head of the tax area at Moisés Freire Advocacia.

Prof. Dr. DDr. h.c. Michael Lang is head of the Institute for Austrian and International Tax Law of WU (Vienna University of Economics and Business) and academic director of both the LLM Program in International Tax Law and of the Doctoral Program in International Business Taxation (DIBT) of this university. He is president of the Austrian Branch of the International Fiscal Association (IFA). He has been visiting professor at Georgetown University, New York University, Sorbonne, Bocconi, Peking University (PKU), University of New South Wales (Sydney), and at other universities. He has specialized specifically in tax treaty law and in European tax law.

Full Professor of Tax and Financial Law at UFMG and Professor Emeritus at UFMG; Former Attorney General of the State of Minas Gerais and the Municipality of Belo Horizonte; Attorney; Federal Counselor of the OAB.

President of IFA Global, partner at Quiñones Cruz Abogados SAS, author and speaker in different parts of the world

Bachelor of Law and Master of Tax Law from the University of São Paulo (USP) and LL.M. in International Tax Law from the University of Florida (USA). Partner of Mattos Filho.

Partner at CBLM Advogados. Lawyer and professor of Tax Law in the FGVLaw postgraduate course and in the IBET, IBDT and APET courses. Master in International Tax Law from the Brazilian Institute of Tax Law (IBDT). She is a researcher and coordinator of the Master's Research Center (NUPEM) at IBDT on Agribusiness taxation and scientific coordinator of the Agribusiness taxation course at APET. Former CARF advisor.

Academic Chairman of the IBFD. Full Professor of Tax Law at the University of Salerno. Holder of the Jean Monnet Chair ad Personam in EU Tax Law and Policy at the WU Vienna University of Economic and Business. Editor-in-chief of the IBFD’s World Tax Journal, ITAXS, the IBFD Doctoral Series, and the Global Tax Treaty Commentaries.

Tax Planning & Legal Manager with 10+ years of experience in Corporate and International Tax. Law degree (UFMG), Accounting degree (FUMEC), and postgraduate specialization in Tax Law (PUC Minas).

Master in Law and Finance from the University of Oxford, PhD in Economic, Financial and Tax Law from the University of São Paulo, associate of Pinheiro Neto Advogados.

Professor of Tax Law at USP. Free Professor USP.

Full Professor at PUC/RS. PhD from PUC/SP. Attorney

Professor at the Catholic University of Pernambuco (Unicap). PhD from the University of London and Master from UFPE. Attorney for the State of Pernambuco. Attorney.

Professor of the Master's Program in International and Comparative Tax Law at IBDT. Coordinator of the Specialization Program in Brazilian Tax Law at IBDT. Associate Professor of Public Law at UEA. Partner at VRMA Advogados e Consultores.

Partner of international tax consultancy at EY.

Professor at IBDT. Doctor and Master in Tax Law from USP. LL.M. in international taxation at the University of Vienna.

PhD in Tax Law from the Faculty of Law of USP. Attorney. President of the OAB – SP Public Policy Observatory.

Leading partner of the tax area at the TozziniFreire office

Professor of the Professional Master's Degree at IBDT. Partner at Lacaz Martins, Pereira Neto, Gurevich & Schoueri Advogados.

Tax Auditor at the Federal Revenue of Brazil.

PhD in Tax Law from USP. Master in Law from FGV. Professor of the Professional Master's Degree at IBDT.

Congress Coordinator and Professor at IBDT. Doctor and Master from USP. IFA member. Attorney.

Ms. Sara Shearmur is an Adviser (Tax Treaties) at the OECD Center for Tax Policy and Administration. She is a member of the Québec Bar.

Professor at FGV Direito SP, in undergraduate, master's and professional doctorate courses. Coordinator of the Tax Law Center at the same institution. PhD in law from USP, with post-doctoral research at IBFD and the University of Oxford. Ferragut's partner, Piscitelli & Dantas Law Firm.

Ph.D. in international taxation from the University of Vienna.

PhD from USP. Professor of the professional master's degree at IBDT. Partner at Rivitti and Dias Advogados.

Master and PhD in Tax Law from UFMG. Partner at Sacha Calmon Misabel Derzi Consultores e Advogados. Professor of Tax Law at UFMG. Coordinator of the Academic League of Financial and Tax Law (LAFT) at UFMG. Former General Director of the OAB/MG Superior School of Law (ESA). Honorary President of ABRADT.

Senior fellow professor and Coordinator of the Taxation Center at Insper. She was a professor and researcher at FGV for 17 years. She was director of CCiF, where she wrote PEC-45. She was special advisor to the Minister of Economy on matters related to tax reform. She is currently a public policy consultant in the tax policy area, working for the private sector and international organizations, such as the World Bank and IMF.

PhD in International Law from Univ. from São Paulo. Post-doctorate at Univ. from Bologna. Researcher at CEISAL (Consejo Europeo de Investigaciones Sociales de América Latina). Prof. PhD from the University of Mar del Plata. Prof. of Specialization at the Faculty of Law of São Bernardo do Campo.

Professor at the FGV School of Economics. Coordinator of the Center for Geoeconomics of Commerce and Investment – ​​FGV

Professor and Coordinator at IBDT. Master and PhD in Tax Law from FADUSP. Lawyer and Accountant. Partner at ITX.

Will is PwC’s Global Tax Policy Leader, based in Washington DC.  He joined PwC in 2017 after 17 years at General Electric, where he was Director, Global Tax Policy.  Will was Associate International Tax Counsel at US Treasury from 1997-2000, and an attorney-advisor at the IRS from 1995-96. 

Will Morris was chair of the Business at OECD (BIAC) Tax Committee in Paris from 2012-22 (and is now Chair Emeritus), interacting closely with the OECD, businesses, and governments, first on BEPS, and then on the OECD Two Pillar Project.  From 2010-2016, he was chair of the CBI Tax Committee in London, and from 2007-2023 he was chair of the AmCham EU Tax Committee in Brussels.

He has degrees in History from Trinity College, Cambridge, in Law from the University of Virginia School of Law, and in theology from St Mellitus College, and is admitted as both a US attorney and an English solicitor.

Yariv Brauner is the Hugh Culverhouse Eminent Scholar Chair in Taxation and a Professor of Law with the Levin College of Law at the University of Florida; and a Professor with WU Wirtschaftsuniversität Wien, Institute for Austrian and International Tax Law, Vienna.