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Boards, Management and Committees – Sanessol

Board of Directors

João Luiz Guillaumon Lopes

Chairman
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João Luiz Guillaumon Lopes

Chairman

João Luiz Lopes has over 20 years of experience in the financial sector. He has served as CFO of Iguá Saneamento since May 2025 and, in a previous role at the company, as Director of Structured Finance and Investor Relations. He also served as CFO of Companhia Melhoramentos and was part of Banco Santander’s treasury team for 14 years. He holds a bachelor’s degree in Business Administration from the University of São Paulo (USP) and a master’s degree in Economics and Finance from the Getulio Vargas Foundation (FGV).

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Alexandre Ferreira Lopes

Full Member
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Alexandre Ferreira Lopes

Full Member

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René Pinto da Silva

Full Member
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René Pinto da Silva

Full Member

Mr. René Pinto da Silva is an aeronautical mechanical engineer, graduated from the Technological Institute of Aeronautics (ITA) in 1995, with an MBA in Business Logistics from the Getúlio Vargas Foundation (FGV) in 2003, specializing in Management, Leadership, and Finance from Harvard University, and Supply Chain Management from the Massachusetts Institute of Technology. He served as Executive Director of Operations at Iguá Saneamento from June to August 2025, at CART – Concessionária Auto Raposo Tavares as CEO from June 2020 to July 2025, and as Chief Operating Officer and CEO of Hidrovias do Brasil S.A. from April 2013 to May 2020.

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Board

Name Position
Luis Guilherme Bruno da Silveira Bizelli General Director
Executive with extensive experience in administration, finance, and concession management. Currently serves as General Director of Concessions at Iguá Saneamento, responsible for the operations of Sanessol, Esap, Águas Andradina, and Águas Castilho. Previously served as Administrative and Financial Director and Manager in various regions of São Paulo, coordinating finance, accounting, HR, purchasing, and IT teams, in addition to managing relations with public agencies, customers, and unions. Began his career at Grupo Galvão, working in all administrative areas and participating in the management of Sabesp’s first PPP contract.
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João Luiz Guillaumon Lopes Financial Director

Mr. João Lopes is an administrator who graduated from the University of São Paulo (USP) in 2003 and holds a master’s degree in Economics and Finance from the Getúlio Vargas Foundation (FGV) in 2009. He served as CFO at Melhoramentos from November 2023 to April 2025, was Manager of Financial Structuring and Investor Relations and Director of Structured Finance and Investor Relations at Iguá Saneamento from April 2019 to October 2023, in addition to his 14 years in finance at Banco Santander.

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