Ester Bonfim Alonso is an experienced tax planning analyst currently serving as a Senior Tax Planning Analyst at EloPar since June 2022, responsible for validating calculations of current and deferred IRPJ and CSLL taxes and the effective tax rate. Prior to this role, Ester worked at Azul Linhas Aéreas Brasileiras from August 2009 to May 2022, holding positions as Senior Tax Analyst and Tax Analyst, where responsibilities included the calculation of IRPJ and CSLL taxes, CPRB, PIS and COFINS management, and compliance with fiscal documentation. Ester holds a degree in Accounting from Centro Universitário FIEO and is currently pursuing an MBA in Tax Management at USP/Esalq.