Tax Litigation: Highly Regarded
Brazil
1 year ranked
LAWYER PROFILE
Igor Mauler Santiago
Brazil 2026
Ranked in 1 practice area
About
Provided by Mauler Advogados
Brazil: Contentious
Practice Areas
Tax Law
Career
Graduated in Law from the Federal University of Minas Gerais (UFMG), 1996;
Université de Nancy II: Diplôme Supérieur de d’Études Françaises , 1996;
Master’s Degree in Tax Law, UFMG, 2002;
Summer Course in International Tax Law at the International Bureau of Fiscal Documentation – Amsterdam, 2003;
PhD in Tax Law, UFMG, 2005;
Former Professor of Tax Law of the UFMG and the Faculdades Milton Campos, between 1998 and 2005;
Author of a monthly tax column on the Consultor Juridico website;
Author of the books: “Direito Tributário Internacional: Métodos de Solução dos Conflitos” International Tas Law: Methods of Conflict Resolution (Quartier Latin, 2006); “Direito, Justiça e Poder de Tributar: Questões Fiscais das Empresas de Mineração” Law, Justice and the Power to Tax: Tax Questions concerning Mining Companies (Del Rey, 2012) and “Consultor Tributário” Tax Consultant (Topbooks, 2015).
More than 200 articles published in collectanea and specialized journals in Brazil and abroad;
Speaker in congresses in Brazil and abroad.
Professional Memberships
Member of the Committee of Tax Law of the Federal Council of the Brazilian Bar Association;
Member of the High Juridial Council of Fecomércio SP;
Member of the Council of Advanced Studies of Finance and Taxing of the São Paulo Trade Association;
Member of the Editorial Board of the Revue Francaise de Finances Publiques and of several Brazilian legal publications;
Member of the Superior Council for Legal Affairs – Conjur of FIESP;
President of the Brazilian Institute of Tax Law and Process – IDPT;
Former President and Honorary Board Member of the Alliance Francaise in Belo Horizonte.
Personal
Barão do Rio Branco Prize (best graduating student) , UFMG, 1996;
Best student in Civil and Tax Law, UFMG, 1996;
Grand Collar of Legislative Merit from the Belo Horizonte Town Council, 2009;
Recognized as one of the top Brazilian lawyers in the category by British publications “Chambers and Partners Latin America”, since 2012 and Chambers and Partners Global”, since 2014
Chambers Review
Provided by Chambers
Chambers Brazil: Contentious
Tax Litigation: Highly Regarded - Brazil
Band 1
Individual Editorial
Strengths
Provided by Chambers
Igor Mauler Santiago is an experienced lawyer with strong command of his field. He provides clients with innovative and reliable solutions and is also extremely courteous and flexible.
Tax Litigation: Highly RegardedChambers Brazil: ContentiousIgor Mauler Santiago is a lawyer who demonstrates strong knowledge and performs very well in meetings, consistently bringing good ideas and contributing significantly to our work.
Tax Litigation: Highly RegardedChambers Brazil: ContentiousIgor Mauler Santiago has exceptional command of high‑stakes tax disputes, demonstrating sophisticated reasoning, deep knowledge of case law and a rare ability to synthesise legal theory, risk and economic outcome.
Tax Litigation: Highly RegardedChambers Brazil: ContentiousA lawyer who provides us with clear legal explanations and is very flexible with our requests, Igor Mauler Santiago is highly experienced, attentive and a top‑notch practitioner in this area.
Tax Litigation: Highly RegardedChambers Brazil: ContentiousThe combination of technical expertise, proactivity and client focus makes Igor Mauler Santiago a reference in the tax field and a reliable partner for companies facing sophisticated challenges.
Tax Litigation: Highly RegardedChambers Brazil: Contentious
Ranked Individuals at Mauler Advogados (1)
Brazil
Igor Mauler Santiago
Tax Litigation: Highly Regarded
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