A member of the Portuguese Bar Association since 1975 and the Brazilian Bar Association since 1992, Helena Lopes Xavier has founded and been a part of some of the most prominent law firms in both countries, such as XBB and Mundie Advogados, practicing law in a variety of areas such as Administrative and Regulatory, Telecommunications, Energy, Corporate and Tax. 

Helena Lopes Xavier also has a strong academic background, having lectured Administrative Law classes at the University of Lisbon, School of Law, and researched, as invited guest, at Ludwig Maximilien Universität – Institut für Politik und öffentliches Recht in Munich. 

Active lawyer in telecommunications and information technology law, in administrative and regulatory law, economic law, competition law, international contracts, public procurement, tax law; administrative and tax litigation.

> Lawyer in Brazil and Portugal with transactional experience combined with regulatory and tax law expertise.

> Officer of the Brazilian IT and Communications Law Association (ABDTIC, former ABDI).

> Portuguese Association for Communication Development – APDC.

> Honorary member of the Brazilian Institute for Tax Planning – IBPT.

> Member of the Editorial Board of the Communications Law Review, Editora Revista dos Tribunais [a Thomson Reuters legal publication].

> Graduated from the Faculty of Law of the University of Lisbon (1975).

> Seminar for Doctoral Students in Legal-Political Sciences, Faculty of Law, University of Lisbon (1977-1978 and 1978-1979).

> Admitted to a PhD in Legal-Political Sciences by the Faculty of Law of the University of Lisbon (1984).

> Member of the Portuguese Bar Association since 1975 and the Brazilian Bar Association since 1992.

> Admitted by the Munich Court (1990-1995).

> Academic and professional experience in Portugal, Germany and Brazil. She gives lectures and classes on specialized topics in various countries. In Portugal, she taught Economic Law, Administrative Law and Administrative Procedural Law.

> Currently, visiting professor at Jurisnova (Faculty of Law at Universidade Nova).

> Member of the Governmental Commission for the elaboration of the New Administrative Code of Portugal (1981-1983).

> In Germany, guest researcher at the Institute of Public Law at the Faculty of Law at the University of Munich (1986-1991).

> Over 200 opinions on regulatory issues. Author of the book “The Special Competition Regime in Telecommunications Law” (ed. Forense), Rio de Janeiro 2003, and several articles published in Brazil and abroad, cited by doctrine and jurisprudence.

> Member of the Portuguese Bar Association
1975 – Present

> Member of the Brazilian Bar Association
1992 – Present

> Admitted to Munich Tribunal
1989 – 1995

English, French, German and Portuguese.

Membro da Ordem dos Advogados do Brasil desde 2011 e da Ordem dos Advogados Portugueses desde 2022, Christian Corsetti exerce advocacia em Direito Penal Económico, Direito das Contraordenações, Direito Empresarial, Compliance e Direito Regulatório.

Christian Corsetti tem também uma sólida experiência académica, cursando atualmente o segundo ano do Mestrado em Direito, na especialidade de Ciências Jurídico-Criminais da Faculdade de Direito da Universidade de Lisboa (2022/2023).

Participou do IV Curso de Pós-Graduação sobre Law Enforcement, Compliance e Responsabilidade Empresarial, organizado pelo Centro de Investigação de Direito Privado (CIDP) da Faculdade de Direito da Universidade de Lisboa (2022).

Cursou a Pós-Graduação em Direito e Gestão Tributária pela Universidade do Vale do Rio dos Sinos – UNISINOS, Brasil (2008/2009).

Licenciatura em Direito pela Universidade do Vale do Rio dos Sinos – UNISINOS, Brasil (2002/2007).

> Mestrando em Direito na especialidade de Ciências Jurídico-Criminais da Faculdade de Direito da Universidade de Lisboa

> Pós-Graduação em Law Enforcement, Compliance e Responsabilidade Empresarial, organizado pelo Centro de Investigação de Direito Privado (CIDP) da Faculdade de Direito da Universidade de Lisboa (2022)

> Pós-Graduação em Direito e Gestão Tributária pela Universidade do Vale do Rio dos Sinos – UNISINOS, Brasil (2008/2009)

> Licenciatura em Direito pela Universidade do Vale do Rio dos Sinos – UNISINOS, Brasil (2002/2007)

> Member of the Brazilian Bar Association
2011 - Present

> Member of the Portuguese Bar Association
2022 - Present

English and Portuguese

> Lawyer adjunct professor in the undergraduate and postgraduate courses (master's and doctorate) in Tax Law at the Federal University of Paraná and coordinator of the Specialization Course in Tax Law at the Brazilian Institute of Tax Studies – IBET, in Paraná. 

> Advisor to the Taxpayers Council of the Municipality of Curitiba for approximately 10 years 

> Legal advisor to the Budget Committee of the Legislative Assembly of Paraná. 

> She holds a postgraduate degree from the University of Salamanca in Spain and from the Universidad Austral in Argentina. 

> Lecturer at various events. 

> Author of numerous articles in the field of Tax Law - “Efficacy and Applicability of Constitutional Limitations on the Power to Tax” and “International Treaties on Tax Matters and Internal Order”. Coordinator of the projects “Cooperativas e Tributação” and “Tax Law and the New Civil Code”.

> President of the Paraná Tax Law Institute and of IETRE – Tax Studies and International Economic Relations Institute. 

> Professor of Tax Law at the Federal University of Paraná.

> Graduated from the Pontifical Catholic University of São Paulo. 

> Masters from the Pontifical Catholic University of São Paulo.

> Doctor from the Federal University of Paraná. 

> Post Doctor from the University of Lisbon.

English and Portuguese.