Juliana is a prominent tax leader and academic in Brazil, serving as the LATAM Tax Director for Vantiva, a French multinational technology company. In her corporate role, she is responsible for overseeing all tax matters for the company’s operations across Latin America, focusing on strategic tax planning, compliance, and litigation management. An accomplished lawyer and accountant, she has extensive experience in the legal and tax departments of multinational corporations. Alongside her executive career, Zobaran is a respected tax professor, sharing her expertise at institutions such as the Associação Paulista de Estudos Tributários (APET) and Live University. In her academic capacity, she teaches postgraduate courses on complex topics like tax compliance and digital tax obligations, contributing to the development of the next generation of tax professionals in Brazil.

Lionel Bonner Nobre has over 30 years of experience in Latin America and international tax matters. He has been the leader of Latin America Tax team for Dell Technologies since 2006 having in 2018 reached the position of Vice-President of Latin America Tax, where he manages a team of more than 60 professionals and covers 14 jurisdictions. His main responsibilities include tax planning, tax compliance, tax controversy/litigation, tax incentive regulatory compliance, negotiation and learning and development for the Global Tax organization. Lionel is also the current Tax Executives Latin America Chapter President and serving on TEI International’s Executive Committee. His prior career included working for major international accounting and law firms holding roles such as the Director for the Latin American Consulting Services practice of BDO Seidman, LLP and the Director of the Brazilian Business Advisory Services practice of Grant Thornton LLP. Lionel is fluent in English, Portuguese and Spanish and a frequent speaker at international tax conferences for several years in Brazil, USA, Argentina, Europe & Mexico. He has also published several tax articles on taxation in Latin America and is the author of the BNA Bloomberg Portfolio on Transfer Pricing for Brazil and more recently co-coordinated a Thomson Reuters book on “Uncomplicating Tax Management in the Digital Era: an applied corporate view” (2023, São Paulo, Brazil). Lionel is also an Adjunct Professor at the Texas A&M Law School. His academic credentials include: Global Executive M.B.A., University of Miami (2014); LL.M., University of Miami (2004); LL.M., Pontifical University of São Paulo, Brazil (2000); J.D., Pontifical University of São Paulo, Brazil (1992).

Doutor e Mestre pela FDUSP. Professor do IBDT. Advogado.