Siqueira Castro – Advogados

Tax Law

Partner

Nathalia de Andrade Medeiros Tavares has more than fifteen years of experience advising clients on tax, customs, and strategic regulatory matters, both in advisory and contentious spheres, serving clients from several segments of the economy, including financial institutions, the energy industry, pension funds, the medical and electronic equipment industry, the food industry, the pharmaceutical industry, medical and hospital services, healthcare assistance services, and others. Throughout her professional trajectory, she has accumulated relevant institutional experience, providing advisory services before the Brazilian Administrative Council of Tax Appeals, CARF, having also participated in the analysis and formation of precedents that contributed to the consolidation of case law before higher courts.

Portuguese, English, Spanish and French

Member of the Brazilian Bar Association

PhD in Public Finance, Taxation, and Development from the State University of Rio de Janeiro, UERJ, 2026. Master in Social Sciences, MSc, from the London School of Economics and Political Science, LSE, 2019. Master’s Degree in Public Finance, Taxation, and Development from the State University of Rio de Janeiro, UERJ, 2017. Bachelor of Laws from the Federal University of Rio de Janeiro, UFRJ, 2013.