The Board of Directors (Board) is the highest governance and collective decision-making body. It is responsible for defining general guidelines and policies, as well as overseeing the management functions of executive officers, among other duties.
The Board has at least two (or 20%, whichever is greater) independent directors*, as defined by the B3’s Novo Mercado Regulations and as established in the bylaws of Cosan, and the characterization of nominees to the Board as independent directors must be deliberated at the Shareholders Meeting that elects them.
The current Board consists of eight members, including two independent members, onof them women. The chairman of the Board does not hold any executive position at Cosan.
For information about the participation of directors in Board meetings, see item 12.5/6 of the Reference Form.
Name
Position
Election Date
End of Term
1st Election Date
Rubens Ometto Silveira Mello
Chairman of the Board of Directors
04/30/2025
2027 ASM
11/07/2000 (23 years)
Date of birth: 02/24/1950
Education
− Degree in Production Engineering from the Polytechnic School of São Paulo (USP); graduate degree in Finance from UNIMEP; and MBA at FGV with an extension program at Ohio University.
Professional Background
− Advisor to the Executive Board of Unibanco; Chief Financial Officer of Votorantim; member of the Board of Directors of Única; and CEO of Cosan S.A.; Chairman of the Board of Directors of Comgás; he has accumulated solid experience in business management, having worked in industrial areas, risk management, finance, human resources, ESG, and strategy.
Current Positions
− Chairman of the Board of Directors of Cosan since 2000; chairman of the People and Nominating Committee of Cosan; CEO of Aguassanta Participações (parent company of Cosan); chairman of the Board of Directors of Rumo, Compass, Raízen and Moove.
Social Work
− Member of the Board of Directors of Gerando Falcões; and member of the Advisory Board of Instituto de Cidadania Empresarial (ICE).
André Santos Esteves
Vice-Chairman of the Board
11/19/2025
2027 ASM
11/19/2025
Date of Birth: 07/12/1968
Education
− Mathematics at the Federal University of Rio de Janeiro (UFRJ), with a specialization in Computing.
Professional Background
− Joined Banco Pactual in 1989 at the age of 21. Over the past three decades, working alongside his partners and collaborators, he played a crucial role in transforming BTG Pactual into a global group, which remains the leading Investment Bank in Latin America, currently employing more than 5,000 people. Mr. André Esteves has served as a member of the Board of Directors of B3 – the Brazilian Stock Exchange; and also of FEBRABAN – the Brazilian Federation of Banks.
Current Positions − Chairman of BTG Pactual, Vice-Chairman of the Board of Directors of Cosan.
Social Work − Engages in other areas such as education and socio-environmental initiatives, as a founding partner of Inteli. He was also a member of the Latin American Council of Harvard Business School and the Board of Fundação Estudar, an organization dedicated to promoting undergraduate and postgraduate studies for young Brazilians in Brazil and abroad, guiding these professionals into the job market.
Marcelo Eduardo Martins²
Member of the Board
04/30/2025
2027 ASM
07/30/2010 (13 years)
Date of birth: 10/21/1966
Education
− Degree in Management from FGV, with specialization in Finance.
Professional Background
− Leader of the Latin American Fixed Income department at Salomon Smith Barney in New York; Chief Financial and Business Development Officer of Votorantim Cimentos; and Operates in several strategic, financial risk management fronts, also accumulating solid experience in industrial, ESG, people, among others.
Current Positions
− Vice President of the Board of Directors of Cosan since 2021 and between 2010 and 2019; CEO of Cosan*; member of the Board of Directors of Eurofarma Group; member of the Board, the People, Appointment and Compensation Committee, the Strategic and Sustainability Committee and the Financial Committee of Rumo*; member of the Board and the People Committee of Compass*; member of the Board of Comgás*; member of the Board of Raízen*; member of the Board of Moove* (*companies of the same economic group).
Burkhard Otto Cordes
Member of the Board
04/30/2025
2027 ASM
08/30/2005 (18 years)
Date of birth: 05/06/1975
Education
− Degree in Business Administration from FAAP; and MBA in Finance from IBMEC-SP.
Professional Background
− Experience in the commercial area, focusing on Middle Market and Corporate segments at Banco BBM S.A.
Current Positions
− Member of the Board of Directors of Cosan since 2005; member of the People and Nominating Committee of Cosan; Vice president of companies in the Aguassanta Group (parent company of Cosan); member of the People Committee of Comgás; member of the Board and Financial Committee of Rumo; and member of the Board and People Committee of Compass Energia S.A.
Social Work
− Board member at Instituto Sol.
Renato Antônio Secondo Mazzola
Member of the Board
11/19/2025
2027 ASM
11/19/2025
Date of birth: 06/06/1976
Education
− Graduated in Economics from Pontifical Catholic University (PUC-SP), with an MBA in Capital Markets from the University of São Paulo (USP) and a Master’s degree in International Relations from The Fletcher School (Tufts University).
Professional Background
− Has extensive experience in the financial market, having managed investments in various infrastructure and private equity companies. Before joining the BTG Pactual Group, Mr. Renato was a senior investment manager at the Inter-American Development Bank (IDB) in Washington, D.C., in the infrastructure division. Previously, between 1999 and 2003, he spent 5 years at JP Morgan. In Spain, he served as a board member of Tunels de Barcelona I CADI CGC S.A. (transport sector) between 2012 and 2014 and ATLL Concessionária de La Generalitat de Catalunya (industrial sector) between 2012 and 2015.
Current Positions
− Partner at BTG Pactual Group and currently responsible for the Infrastructure and Private Equity division, having joined the BTG Pactual Group in June 2011. Currently serves as a board member in various companies across different sectors and geographic areas. In Brazil, he is a member of the Board of Directors of Cosan S.A., and also serves as a board member of: Tropicalia Transmissora de Energia S.A. (energy sector), A BodyTech S.A. (services sector), CCRR Participações S.A. (industrial sector), Globenet Cabos Submarinos S.A. (telecommunications sector), Universo Online S.A. (technology sector), and AllPark Empreendimentos Participações e Serviços S.A. (Estapar) (services sector), Rede Inspira de Educadores (education sector), Contrail Logística S.A. (transport and logistics sector). In Chile, he is a board member of: Latin America Power S.A. (energy sector), Infraestructura Interportuaria S.A. (infrastructure sector), Trenes Continentales S.A. (services sector), Sociedad Concesionaria Autopista S.A. (construction sector), Sociedad Concesionaria Melipilla S.A. (industrial sector), Ruta de los Ríos Sociedad Concesionaria S.A. (infrastructure sector), and Sociedad Concesionaria Valles del Desierto S.A. (infrastructure sector). In Bolivia, he is a board member of Trenes Continentales S.A. (brokerage sector).
Ralph Gustavo Rosenberg Whitaker Carneiro
Member of the Board
11/19/2025
2027 ASM
11/19/2025
Date of birth: 09/16/1981
Education
− Graduated in Business Administration with a specialization in finance and the electric sector.
Professional Background
− Since 2007, CIO of Perfin Asset. Ralph is responsible for the management of Perfin Infra, founder and member of the executive committee of the Perfin group. For over 15 years, he has closely followed the infrastructure sector, with several investments and divestments already carried out. Ralph is a member of the Board of Directors of Cia Riograndense de Saneamento, EPR Rodovias, several transmission lines in partnership with Alupar, among other companies, having always worked in the financial market.
Current Positions
− CIO of Perfin Asset and member of the executive committee of the Perfin group. He is also a member of the Board of Directors of Cosan S.A., Cia Riograndense de Saneamento, and EPR Rodovias.
Flávia Simon
Independent member of the Board¹
04/30/2025
2027 ASM
04/30/2025
Date of birth: 11/20/1979
Education
− Graduated in Business Administration from USP, with a strictu sensu Master’s degree from PUC-SP. Complemented her education with executive programs at the Wharton School (USA).
Professional Background
− Senior Director at Google Gemini in Silicon Valley; former CMO of Fitbit; Member of the Board of Directors at TradersClub (TC); with leadership roles at Intel Corporation.
Current Positions
− Senior Director at Google Gemini, the main Artificial Intelligence product of Google.
Social Work
− With over 25 years of experience in technology, innovation, and information security — including the last 7 years in Silicon Valley, where she has been at the forefront of Artificial Intelligence — she currently leads global marketing for Google Gemini, the company’s most significant technological advancement in AI. She contributes directly to its growth strategy, international expansion, and competitive positioning. Having built much of her career in California alongside leading technology players, Ms. Flávia can offer the Board a strategic perspective on the application of emerging technologies for business transformation, process optimization, and innovation at a global scale.
Luis Claudio Rapparini Soares
Independent member of the Board¹
04/30/2025
2027 ASM
04/30/2025
Date of birth: 06/08/1965
Education
− Graduated in Civil Engineering from PUC-Rio, with a postgraduate degree in Information Technology and a master’s degree in Finance from the same university.
Professional Background
− Vice President of Finance and Investor Relations Officer at Raizen S.A., Executive Vice President and Chief Audit Executive at Royal Dutch Shell, Member of the Board of Directors, Chairman of the Audit and Risk Committee, and member of the Finance and Performance Committee at CCR S.A., CFO and Investor Relations Officer at Souza Cruz S.A., and Chairman of the Fiscal Council at Rumo S.A.
Current Positions
− Member of the Board of Directors and the Remuneration Committee of Datatec LTD, Member of the Audit and Risk Committee, Remuneration Committee, and Finance Committee of Logicalis LATAM, Chairman of the Audit Committee of Compass Gás e Energia S.A., Member of the Board of Directors and the Audit Committee of OceanPact, and Chairman of the Audit Committee of Amaggi S.A.
Social Work
− Worked as an executive for 32 years in the financial and internal audit areas. Served as CFO of the British American Tobacco Group, Souza Cruz S.A., Raizen Group, and Chief Internal Auditor of Royal Dutch Shell, working in 5 countries and 4 continents. Participated in various executive development programs at Wharton, Kellogg, Insead, and IMD universities.
1) In accordance with the definition of B3’s Novo Mercado Regulations. Click here for more details on the criteria.
2) Marcelo Martins served on the Board between 7/30/2010 and 4/26/2019; he was not elected at the Meeting of 4/26/2019 and returned at the Meeting of 1/22/2021.
Click here for more information on the expertise and skills of the directors.
