The Board of Directors is composed of a minimum of three and a maximum of seven members, of which 20% are independent, in accordance with the terms of the Novo Mercado.
All members are elected by the General Meeting for a unified mandate of two years, with reelection being allowed.
Name | Term of Mandate | Date of Possession | Office |
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Mário Sérgio Ayres Cunha Ribeiro | 2 years | 4/30/2025 | President |
Mário Sérgio Ayres Cunha Ribeiro. Mr. Ribeiro is co-founder and partner of DNA Capital Consultoria Ltda. He has been a member of the board of directors of companies like Dasa, GSC and Beep Saúde. Prior to joining DNA Capital, Mr. Ribeiro was the CEO of One Health, a premium health plan of UnitedHealth Brazil (formerly known as Amil Group) and Commercial Officer of UnitedHealth Brazil. He started his career in the Asset Management division of Banco Bozano. Mário has a degree in economics from IBMEC/RJ and has an MBA from FIA/USP. He has also completed an executive program in strategy at INSEAD. |
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Thayan Nascimento Hartmann | 2 years | 4/30/2025 | Member |
Thayan Nascimento Hartmann. Mr. Hartmann is the partner responsible for the private equity practice at DNA Capital Consultoria Ltda. Previously, he was a member of the boards of directors of the companies Mafra Group, Cremer, GSC, Lavebras and Elis Brasil. Prior to joining DNA Capital, he worked at Angra Partners, as an Associate in the Private Equity team. Thayan Hartmann holds the CFA (Chartered Financial Analyst) certification, is Manager of Securities Portfolio authorized by the CVM and holds the CGA certification from ANBIMA. He has a bachelor’s degree in aeronautical engineering from Universidade de São Paulo. |
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Luiz Felipe Duarte Martins Costa | 2 years | 4/30/2025 | Member |
Luiz Felipe Duarte Martins Costa. Mr. Costa is managing director of DNA Capital Consultoria Ltda, based in São Paulo. Prior to joining DNA Capital, Mr. Costa was founding partner of Stocche Forbes Advogados and partner of Machado Meyer Advogados, with more than 20 years of experience in the sector. Currently, he is a member of the committee at Inspirali. Previously, Mr. Costa was a member of the board of directors of several companies and took part in a series of international mergers and acquisitions. Mr. Costa has a bachelor’s degree and a master’s degree in law from Universidade de São Paulo. |
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Carla Schmitzberger | 2 years | 4/30/2025 | Independent Member |
Carla Schmitzberger has a bachelor’s degree in Chemical Engineering from Cornell University, USA (1984) and has an extension course in Strategic People Management from FDC / INSEAD (2001). Carla was VP Sandals (Havaianas) at Alpargatas from 2006 to 2019. Previously, she worked in financial services from 1997 to 2006 at Citibank and Credicard. From 1989 to 1997 she worked at Procter & Gamble in Brazil and Canada. She also worked at Johnson & Johnson from 1984 to 1986 and at Procter & Gamble in Product Development in Germany from 1984 to 1986. Carla is currently an Independent Director at Natura & Co (since 2016) and Tigre (since 2024). Mrs. Carla Schmitzberger is an independent member of the Company’s Board of Directors in accordance with the independence criteria set forth in art. 16 §1 and §2 of the Novo Mercado Rules. |
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Jerome Paul Jacques Cadier | 2 years | 4/30/2025 | Independent Member |
Mr. Cadier holds a degree in Production Engineering from the Polytechnic School of the Universidade de São Paulo and an MBA from the Kelogg School of Management (Northwestern University). Mr. Cadier began his career at McKinsey & Company in São Paulo. He then moved to the commercial area of Whirlpool Coorporation in Brazil and later took over the management section at Whirlpool in Australia and New Zealand for 3 years. He then became responsible for the Marketing and Services section at LATAM Airlines, based in Santiago for 4 years, before assuming the operations of LATAM Airlines Brazil as CEO in 2017. Mr. Cadier also served as a board member at Multiplus S.A. |
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Marcelo Strufaldi Castelli | 2 years | 4/30/2025 | Independent Member |
Mr. Marcelo Strufaldi Castelli holds a degree in Mechanical Engineering from the University of Mogi das Cruzes, an MBA from Dom Cabral, and has completed continuing education courses at international executive schools. Currently is a member of the Strategy and Innovation Committee of Suzano S.A. Mr. Marcelo Strufaldi Castelli holds the following positions in other companies: (i) member of the Board of Directors of Votorantim Cimentos; (ii) member of the Sustainability and Innovation Committee of Votorantim Cimentos; (iii) member of the Audit Committee of Votorantim Cimentos; and (iv) member of the Strategy and Innovation, Management and Finance and Human Resources Committees of Suzano S.A.; (v) member of the Board of Directors and member of Audit Comittee of JSL; (vi) member of the Board of Directors of Auren Energia. Mr. Marcelo Castelli has consolidated long career as an executive in the pulp and paper industry, where he held leadership positions in production, projects and business areas in large companies in the sector, with his last position being that of CEO of Fibria Celulose S.A. Mr. Marcelo Strufaldi Castelli also served as Global CEO of Votorantim Cimentos from February 2019 to May 2023. |
Name | Term of Mandate | Date of Possession | Office |
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Conrado Lamastra Pacheco | 1 year | 05/06/2025 | Full member |
Mr. Conrado Lamastra Pacheco is an economist and accountant, with MBA from IE Business School of Madrid, and is currently studying for a degree in Law. He has twenty-three years of professional experience in corporate finance, nine of which with PricewaterhouseCoopers, auditing financial statements and subsequently in corporate finance, valuation, restructuring of companies and advisory on mergers and acquisitions. For twelve years he has specialized in corporate governance, as a member of boards of directors, audit boards and audit committees of companies, including: Rossi Residencial S.A., Viver Incorporadora e Construtora S.A., Atvos Agroindustrial S.A., Dommo Energia S.A., Companhia Müller de Bebidas S.A., Helicópteros do Brasil S.A. – Helibras, Prumo Logística S.A. and Bionexo do Brasil Ltda. In addition to working in corporate governance, he is currently Controller of the business group Infra Investimentos S.A. |
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Leda Maria Deiro Hahn | 1 year | 05/06/2025 | Full member |
Ms. Leda Hahn has extensive professional experience including in government (at IPEA – the Applied Economics Research Institute, and at the Brazilian Finance Ministry), and in consulting firms, investment banks, pension funds and port infrastructure investment companies. She has focused on investment analysis, large project budget control, negotiations for long-term loans for infrastructure investments, negotiations involving various stakeholders, and negotiations between controlling shareholders aiming to modify equity market positions. She has served on boards of directors and audit boards of Brazilian companies listed on the B3 (or formerly, Bovespa). |
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Marcelo Freitas Pereira | 1 year | 05/06/2025 | Full member |
Mr. Marcelo Freitas Pereira has a degree in Law from São Paulo University (USP), and experience in business law, corporate governance, M&A and compliance. He has served on boards of directors and audit boards of listed and non-listed companies, including Hercules, Mundial and CBCA; and is recognized by international publications as a specialist in governance and corporate law. He is an arbitrator in arbitration chambers, and an active member of the American Bar Association. Mr. Marcelo Freitas Pereira has declared that he does not participate in any entities of the third sector |
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René de Medeiros Ribeiro Martins | 1 year | 05/06/2025 | Alternate member |
Mr. René Martins has been working in financial and strategic consultancy since 2017. Previously he worked for more than 30 years in large companies – the Globo Group, Oi, Xerox, Pepsi-Cola International, and Aracruz Celulose (currently Suzano) – in investor relations, corporate finance, treasury, project finance, planning, consolidation and financial analysis (FP&A), pricing, and economic and financial feasibility studies; and as Controller of a business division and of individual projects. |
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Jorge Antônio Ioriatti Chami | 1 year | 05/06/2025 | Alternate member |
Mr. Jorge Antonio Ioriatti Chami, a member of the Brazilian Bar Association (No. 119,651), has more than 30 years’ experience in Corporate Law, Tax, Contracts and M&A, with further experience in tax and civil litigation. He has a degree in Law from PUC University of São Paulo – class of 1991 – with Tax Law Specialist qualification in 1992 from University Extension Center of São Paulo (CEU/SP), and a master’s degree in Tax Law from PUC São Paulo in 2001. He acts as counsel for Brazilian and international companies, and their principals, and has served on the consultative boards and audit boards of several companies. He has served as Coordinator of the Prerogatives Committee of the Brazilian Bar Association (São Paulo Chapter) from 2001 to 2006, and as a member of its Tax Law Committee. |
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Vitor Augusto Polli | 1 year | 05/06/2025 | Alternate member |
Mr. Victor Augusto Polli has a degree in management from ESPM, MBA from Ibmec, CGA and CNPI certification, and is currently a CFA Level II candidate. He is a director of Estrutura Asset Management, focusing on fundamentalist analysis and structuring of investments in infrastructure and energy. He has previous experience as an equity analyst at Levante Corp., covering sectors such as commodities, agro and energy. |
The Company’s Executive Board will be composed of at least 3 (three) members, and at most 8 (eight) members, including a Chief Executive Officer, a Chief Financial Officer, an Investor Relations Officer and the others without specific designation, they may be shareholders or not, resident in the country, elected annually by the Board of Directors, with cumulation of positions and reelection permitted. Once the term of office has expired, the directors will continue to exercise their positions until the investiture of their substitutes.
The Executive board has broad powers of administration and management of the businesses, being able to perform all the necessary acts to manage the Company and represent it before third parties, in court or out of it, and before any public authority and federal, state or municipal government bodies, exercise normal management powers, sign documents, deeds, contracts and credit instruments, issue and endorse checks, open, operate and close bank accounts; to contract loans, granting guarantees, to acquire, sell, encumber or assign, in whole or in part, movable or immovable property, subject to the matters that depend on the approval of the Board of Directors and the specific powers of the Chief Executive Officer, the Chief Financial Officer and the Investor Relations Officer.
Name | Term of Mandate | Date of Possession | Office |
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Leonardo Almeida Byrro | 4/26/2026 | 4/26/2023 | Chief Executive Officer |
Leonardo Almeida Byrro is an engineer with a postgraduate degree in marketing from ESPM and an MBA from Northwestern University. He started his career at Microsoft, worked at Ambev, was a partner at Tarpon Investimentos and CEO at Cremer from 2013 to 2016, in addition to being General Director and Vice-President of BRF. He joined Viveo as Chief Executive Officer in 2018. |
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Artur de Barros Avancine | 4/26/2026 | 7/2/2025 | Vice-President of Human Capital and ESG |
Mr. Artur Avancine has a degree in Psychology from the Pontifical Catholic University of São Paulo (PUC-SP) and further training in Financial Management from IBTA. He developed his professional career in Human Resources, working for companies such as Whirlpool, Grupo Fleury, Rede Ímpar and Dasa. Throughout his career, he has consolidated his expertise in strategic people management, organizational culture and business transformation. In recent years, he worked at Dasa, where he led important strategic fronts, including Post Merger Integration, Supply Chain, Procurement and Infrastructure, contributing to business consolidation and expansion. At Viveo, Artur took over as Vice President of Human Capital and ESG, and is responsible for leading the people management and sustainability strategy, with a focus on strengthening the organizational culture, in line with the company’s values and strategy. |
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Flávia Carvalho | 4/26/2026 | 4/26/2023 | Investor Relations and M&A Officer |
Flávia Carvalho holds a degree in Communication from the University of São Paulo (ECA-USP), a postgraduate degree in Finance from FIA-USP and a Business Development Program in Finance from the London School of Business and Finance (LSBF). She began her career at Suzano Petroquímica, worked at Iguatemi and in renewable energy for seven years at companies such as Renova Energia and CPFL Renováveis, where was Head of Finance and Investor Relations. Has experience in equity and debt issues, M&AS, treasury and structured finance. Joined Viveo in February 2021. |
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Frederico Oldani | 4/26/2026 | 5/13/2024 | Vice President for Administration and Finance |
Mr. Oldani has more than 15 years of experience as CFO and member of the Executive Committee in listed companies, working with CEOs, boards of directors and private equity funds in formulation and implementation of business strategies. He has served as CFO and Director for Investor Relations at Guararapes / Riachuelo, Qualicorp, Alliar and Cia. Hering; as Treasurer for Latin America and Canada, at AmBev; and as Risk Manager of the Telefônica Group in Brazil. He holds a master’s degree in economics from FGV, a postgraduate degree in Finance from São Paulo University (USP), MBA from the Business School of São Paulo, and a degree in Business Administration from the Armando Alvares Penteado Foundation (FAAP). |
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Luiz Silva | 4/26/2026 | 5/13/2024 | Vice President of Operations |
Luiz Silva, has solid experience in Logistics, Supply Chain and industrial responsibilities in large companies including Danone Unilever and startups (NotCo). His career is also marked by General Manager positions in Business Units and VP of Finance. |
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Renan de Almeida Hervelha | 4/26/2026 | 4/26/2023 | Commercial Director |
Renan de Almeida Hervelha holds a degree in Business Administration from PUC, a postgraduate degree in Marketing from ESPM and an MBA from FGV. He worked as National Manager for Johnson & Johnson, was National Sales Manager for Flora Cosméticos e Cleaning, Coordinating Director for Danone in Dubai and Director of Global Sales also for Danone. Renan joined Viveo in 2019 as Commercial Director. |
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Vilson Schvartzman | 4/26/2026 | 4/26/2023 | Commercial Vice President of Distribution and Services |
Vilson Schvartzman started his career in the insurance market, in which he worked for 10 years, migrating to the special medicines segment in 2006. From 2006 to 2015, he worked at important companies in the sector, being responsible for conducting the B2C sales business through the Delivery and Distribution, public and private, focused on oncology and other biological and special medicines. In 2015, he joined Profarma Specialty as Commercial Director, being promoted to COO in 2016, adding to his responsibility the entire operation of the company, a role he held until assuming the presidency in October 2017. In 2020, Vilson also assumed the position of President of the Council of ABRADIMEX (Brazilian Association of Distributors of Specialized, Exceptional and Hospital Medicines). |
Name | Term of Mandate | Date of Possession | Office |
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Marcello Joaquim Pacheco | 2 years | 5/30/2025 | Coordinator |
Mr. Marcello Joaquim Pacheco is a lawyer specializing in Corporate Law, with a solid background in corporate governance, auditing and legal consultancy. He has more than 25 years’ experience on the supervisory and management boards of publicly traded companies, including sectors such as energy, finance, real estate, textiles and pharmaceuticals. He is currently coordinator and member of statutory audit committees for companies such as CEB, Guararapes S.A. and Banese, as well as chairman of the Board of Directors of CEB Lajeado S.A. He is an associate member of the IBGC and has specializations from FGV in the areas of Corporate Finance, Controllership and Corporate Law, as well as postgraduate studies in Corporate Law and Compliance. He also works as a legal and business consultant, with a focus on risk control, governance, auditing, corporate law and auditing financial statements. |
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Guillermo Oscar Braunbeck | 2 years | 5/30/2025 | Independent Audit Member |
Mr. Guillermo Oscar Braunbeck is a PhD Professor at the School of Economics, Business Administration and Accounting (FEA/USP). He is a full member of the Audit Committees and Supervisory Boards of several listed and privately-held companies in Brazil. Economist graduated from Unicamp, Accountant graduated from Faculdade Fipecafi and PhD in Accounting from USP. He has worked in the independent auditing sector, as a consultant in mergers and acquisitions and was a leading executive in the internal auditing and risk management area. He was Assistant Controller at the University of São Paulo. He was a project manager at the International Accounting Standards Board (IASB) in London, where he led projects to promote the consistent application of IFRS around the world. He was a voting member and deputy technical coordinator of the Accounting Pronouncements Committee (CPC) and Financial Director of the Foundation to Support the Accounting Pronouncements and Sustainability Council (FACPCS). |
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Marcelo Strufaldi Castelli | 2 years | 5/30/2025 | Audit Member and Independent Member of Board of Director |
Mr. Marcelo Strufaldi Castelli holds a degree in Mechanical Engineering from the University of Mogi das Cruzes, an MBA from Dom Cabral, and has completed continuing education courses at international executive schools. Currently is a member of the Strategy and Innovation Committee of Suzano S.A. Mr. Marcelo Strufaldi Castelli holds the following positions in other companies: (i) member of the Board of Directors of Votorantim Cimentos; (ii) member of the Sustainability and Innovation Committee of Votorantim Cimentos; (iii) member of the Audit Committee of Votorantim Cimentos; and (iv) member of the Strategy and Innovation, Management and Finance and Human Resources Committees of Suzano S.A.; (v) member of the Board of Directors and member of Audit Comittee of JSL; (vi) member of the Board of Directors of Auren Energia. Mr. Marcelo Castelli has consolidated long career as an executive in the pulp and paper industry, where he held leadership positions in production, projects and business areas in large companies in the sector, with his last position being that of CEO of Fibria Celulose S.A. Mr. Marcelo Strufaldi Castelli also served as Global CEO of Votorantim Cimentos from February 2019 to May 2023. |
Name | Term of Mandate | Date of Possession | Office |
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André Augusto Spicciati Pacheco | 4/26/2026 | 3/27/2025 | Member |
André Pacheco holds a degree in Business Administration from the University of São Paulo (FEAUSP), has over 15 years of experience in the Brazilian healthcare market. He joined Viveo in 2018 after the acquisition of Cremer, where he has worked since 2006 and has held various roles in the commercial area such as Commercial Planning, Market Research, National Sales Manager of the Hospital Business Unit and General Commercial Director. Prior to Cremer, André worked for Telefônica and Yankee Group. |
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Thayan Nascimento Hartmann | 2 years | 06/03/2024 | Coordinator |
Mr. Hartmann is the partner responsible for the private equity practice at DNA Capital Consultoria Ltda. Previously, he was a member of the boards of directors of the companies Mafra Group, Cremer, GSC, Lavebras and Elis Brasil. Prior to joining DNA Capital, he worked at Angra Partners, as an Associate in the Private Equity team. Thayan Hartmann holds the CFA (Chartered Financial Analyst) certification, is Manager of Securities Portfolio authorized by the CVM and holds the CGA certification from ANBIMA. He has a bachelor’s degree in aeronautical engineering from Universidade de São Paulo. |
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Jerome Paul Jacques Cadier | 2 years | 06/03/2024 | Member |
Mr. Cadier holds a degree in Production Engineering from the Polytechnic School of the Universidade de São Paulo and an MBA from the Kelogg School of Management (Northwestern University). Mr. Cadier began his career at McKinsey & Company in São Paulo. He then moved to the commercial area of Whirlpool Coorporation in Brazil and later took over the management section at Whirlpool in Australia and New Zealand for 3 years. He then became responsible for the Marketing and Services section at LATAM Airlines, based in Santiago for 4 years, before assuming the operations of LATAM Airlines Brazil as CEO in 2017. Mr. Cadier also served as a board member at Multiplus S.A. |
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Thiago Lima Borges | 2 years | 06/03/2024 | Member |
Mr. Borges is currently a member of the Board of Directors at SmartFit and Arezzo&Co. Mr. Borges served as the Chief Financial Oficer and Investor Relations Officer at SmartFit Group between 2017 and 2024. He has over 20 years of professional experience, having served as Corporate Vice President, Chief Financial Officer and Investor Relations Officer at Arezzo&Co for 8 years, from 2009 to 2027. Mr. Borges also worked as Investment Director at Tarpon Investimentos S.A. from 2008 to 2012 being responsible for investment coverage in the consumer/retail sectors within the Private Equity team. Before this, for 5 years, from 2001 to 2006, Mr. Borges worked at Braskem S.A. in various strategic areas, where he acted as Controller of Operational Investments and Strategic Planning. Mr. Borges began his career at Ernst & Young, advising clients and consolidating their financial statements. He graduated in Business Administration from Universidade Salvador – UNIFACS and obtained his MBA from Stanford University in California, USA. |