Management, Boards & Committees

Mr. Chammas was graduated in Aeronautical Infrastructure Engineering in ITA in 1988. He started his career in Rhodia, working in Brasil and France until 2002. He took on a new challenge in Brasken, when remained 11 years, having been Vice President in the Polymers and Basic Petrochemicals Division. After that, he was CEO in Bioserv-Louis Dreyfus Group, between 2013 and 2018, when assumed as CEO on STERLITE POWER BRASIL. He is postgraduate in Management by FGV and specialization courses in MIT and IMD.

Silvia Diniz Wada has a degree in economics from the University of São Paulo and an MBA in Finance from Ibmec. She has worked for more than 10 years in Mergers and Acquisitions at companies such as Deloitte, Hirashima & Associados and Grupo EDP, where she was Head of M&A and director of the Solar and Services Business Unit. She joined ISA CTEEP on 09/22/2020 as Chief Strategy and Business Development Officer and, since 06/04/2024, has held the position of Chief Financial, Investor Relations and Business Development Officer.

Dayron has a degree in electrical engineering and a specialization from the Universidad Pontificia Bolivariana. He started his career as a Design Engineer at Mejia Villegas S/A, assuming in 2000 the position of Engineer at Alston Transmissão. Subsequently, he started his activities in the ISA Group acting in several positions. In 2008 he took over Projects Management, taking over Execution and Projects Management in 2009. In 2012, he had the opportunity to act as Infrastructure Projects Officer in Peru, by PDI, a subsidiary of the Group, arriving in 2014 to the position of Corporate Projects Officer at ISA.

Cláudio Hernan Domingorena has a degree from the Universidad de Belgrano (Buenos Aires), a post-graduate degree in Engineering Valuation and Expertise from FAAP and an MBA in the Electricity Sector from FGV. He has worked for more than 23 years in the areas of Asset and Economic Valuation Engineering, Asset Management and Electricity Sector Regulation, having worked for Levin Argentina and Levin do Brasil and AES Eletropaulo. In 2018 he joined ISA CTEEP as Regulation Management Manager, and in 2023 he took up the position of Regulation Management, Fixed Assets and Real Estate Director, being elected on June 4, 2024 as Chief Strategy and Business Development Officer.

Bruno Isolani is an Electrical Engineer with a specialization in Electrical Systems Protection from Unicamp, an Executive MBA in Administration and Business in the Electrical Sector from FGV and a postgraduate degree in Leadership and Strategic People Management from FIA. He began his career as an intern at ISA CTEEP, working as an Engineer and Planning Coordinator. He later joined Neoenergia, in 2019, in the position of Operations Manager. He returned to ISA CTEEP in 2021 as Maintenance Manager, assuming, in 2022, the position of Operations Manager. Since 10/08/2024 he has held the position of Executive Director of Operations.

Civil and environmental engineer, master in Environmental Management from the University of Los Andes. He served as a Presidential Advisor at Andesco, Project Manager of the Water Coalition for Colombia at TNC (The Nature Conservancy), Deputy Minister of Water and Basic Sanitation at the Ministry of Housing, City, and Territory; President of the Water and Basic Sanitation Regulatory Commission (CRA), Advisor to the High Presidential Advisor for Regions of the Presidency of the Republic, Coordinator of Environment and Water Resources for the Orinoquia Master Plan at USAID, Superintendent Delegate for Water Supply, Sewage and Cleaning at the Superintendence of Home Public Services, Consultant for the Business Management Directorate at the United Nations Development Program (UNDP), Member of the Board of Directors of EPM and General Manager of EPM, where he led the Hidroituango project essential for Colombia's electricity generation. He currently holds the position of President of Interconexión Eléctrica S.A. (“ISA”), indirect controller of the Company. Mr. Jorge Andrés Carrillo Cardoso declares, for all legal purposes, that in the last 5 (five) years he has not been subject to any criminal conviction, any conviction, or imposition of a penalty in an administrative proceeding before the CVM, and no final conviction, in the judicial or administrative sphere, that had the effect of suspension or disqualification for the practice of any professional or commercial activity. He is not considered a Politically Exposed Person, according to the definition contained in CVM Resolution 50.

Electrical Engineer graduated from the Polytechnic Institute of Belarus, with a Master's degree in Engineering from the same Institute and a Master's degree in Administration from EAFIT University. He has been connected to Interconexión Eléctrica SA ESP – ISA since 1998 and, since 2019, he has been responsible for ISA's energy transmission business in Chile. Already acting as General Manager of ISA ENERGIA, he contributed to strengthening ISA ENERGIA's presence in the southern country, ensuring operations, and promoting sustainable growth. Previously, he served as Director of Corporate Operations at ISA ENERGIA, a position for which he was responsible for articulating the operations of ISA ENERGIA's transmission network in Latin America. In his 25 years of experience at ISA ENERGIA, his journey through all levels of the Energy Transmission business is also noteworthy in his role as Operations Engineer, Operations Director, Maintenance Director, Deputy Maintenance Manager, and Technical Assistant Manager.

Civil Engineer graduated from the National University of Colombia and holds an MBA from the Massachusetts Institute of Technology (MIT). He holds two master's degrees, in Civil Engineering with an emphasis in Construction Management and in Administration with an emphasis in Finance, both from the Universidad de los Andes. He has been connected to Interconexión Eléctrica SA ESP – ISA since February 1, 2023. He has over 19 years of experience in leadership positions and was a member of the boards of directors in different companies in the energy mining sector. He served as Corporate Manager of Financial Planning and Performance of the Corporate Finance Vice Presidency at Ecopetrol, a company in which he has worked for more than 17 years in technical, financial, and project areas. In his most recent role, he led the corporate processes of portfolio and capital allocation, financial planning, business performance, and price and rate projection, as well as the construction of Ecopetrol Group's medium-term business plan.

Brazilian, Electrical Engineer graduated from the Federal University of Santa Catarina (UFSC) in 1999, with a specialization in Finance (2000), by the Foundation for Socioeconomic Studies and Research (Fepese/UFSC), MBA in Corporate Finance (2003), by Ibmec, and participation in the General Management Program (2014), at CEDEP/Insead (France). He began his professional career in Florianópolis at Gerasul/Tractebel (now Engie), in 2000, and continued his trajectory at Engie from 2006 to 2014, where he held business development positions, financial analyst, Head of strategy, and CFO in locations such as Dubai, Rio de Janeiro, Panama, and India. In 2015, he started working at Engie's headquarters in Paris, reaching the position of Global Head of M&A, in 2018. He assumed the position of Business Strategy and Equity Director at Eletrobras in December 2022.

Electrical engineer graduated from Universidade Paulista in 2014, postgraduate in occupational safety engineering from Universidade Candido Mendes, bachelor in Law from the Bauru Law School in 1995, lawyer registered with the Brazilian Bar Association - São Paulo section, postgraduate in Social Security Law from Universidade Candido Mendes, mechanical technologist from Universidade Estadual Paulista Júlio de Mesquita Filho - Unesp in 1989 and certified in the CCF IBGC category (experience) from the Brazilian Institute of Corporate Governance (IBGC). He is a member of the Deliberative Council at Vivest (CESP Foundation) and was a fiscal advisor from 2018 to 2023 and a deliberative advisor from 2009 to 2018. He was a member of the Board of Directors of the Mutual Credit and Savings Cooperative of Employees of Electric Energy Companies of the State of São Paulo from 2000 to 2011 and a fiscal advisor from 1999 to 2000. Since 2018, he has been a member of the Board of Directors of ISA Energia Brasil. 

Independent Counselor, economist graduated from the Externado University of Colombia, 1996, master in Energy and Environment from the University of Calgary (Canada), 1998, and in Network Services Regulation from the Universitat de Barcelona, 2002, has extensive experience in boards and directorships, including: Member of the Board of Directors of the Quindío Energy Company (1999 – 2003), Electrificadora del Huila (1999 – 2006), the Central Hydroelectric of Caldas – CHEC (2000 – 2003), Empresa Antioqueña de Energía EADE (1999 – 2000), Electrificadora del Meta (2002 – 2004), Electrificadora del Caquetá (2002 – 2004), Corelca (2002 – 2003), Gecelca (2003 – 2006), Electrificadora de Santander (2002 – 2006), Centrales Eléctricas de Norte de Santander (2003 – 2006), Qi Energy (2022 – present) and the Colombian Federation of Biofuels (2024 - present). Since 2020, he has been a partner and business manager in small-scale renewable energy generation and marketing of Energia Limpa e Eficiente sas esp. He was a partner and commercial manager, energy commercialization of Ecommercial sas esp (2010 – 2023), Partner - energy efficiency topics (2006 – 2018) of Ktion sas, Advisor to the Cabinet of the Minister and Deputy Minister, Coordinator of the State Business Holding of the Ministry of Mines and Energy (1999 – 2006), Coordinator of energy export programs (hydrocarbons, coal, and electricity) at Proexport Colombia (1997 – 1999) and Consultant on regional energy integration issues at the Latin American Energy Organization - OLADE (1996 – 1997). Mr. Camilo Ernesto Acosta Restrepo declares, for all legal purposes, that in the last 5 (five) years he has not been subject to any criminal conviction, any conviction, or imposition of a penalty in an administrative proceeding before the CVM, and no final conviction, in the judicial or administrative sphere, that had the effect of suspension or disqualification for the practice of any professional or commercial activity. He is not considered a Politically Exposed Person, according to the definition contained in CVM Resolution 50.

Business administrator graduated from Rosario University and holds a master's degree in International Business from Grenoble Ecole de Management University. He has extensive experience in leadership and management positions in companies in the oil and gas sector. He is currently the Interim Chief Executive Officer of Ecopetrol Óleo e Gás do Brasil since April 2024. Previously, he served as Chief Financial Officer of the same company from October 2021 to March 2024. Before that, he held various positions at Hocol S.A., including Innovation and Digital and Corporate Transformation Manager from August 2018 to October 2021, Corporate Planning and Strategy Manager from February 2016 to August 2018, Financial Manager from March 2015 to February 2016, and Financial Planning Coordinator from January 2013 to March 2015. Mr. Carlos Andrés Pérez Osorio declares, for all legal purposes, that in the last 5 (five) years he has not been subject to any criminal conviction, any conviction, or imposition of a penalty in an administrative proceeding before the CVM, and no final conviction, in the judicial or administrative sphere, that had the effect of suspension or disqualification for the practice of any professional or commercial activity. He is not considered a Politically Exposed Person, according to the definition contained in CVM Resolution 50.

Industrial engineer graduated from Universidad del Norte, with a specialization in Finance and an MBA from Universidad del Norte, studied financial risks at Tecnológico de Monterrey and graduated from the Senior Management Program at the University of Los Andes and the Wharton School executive development program. With over 25 years of experience in the electricity sector, he is the current vice-president of Corporate Finance at Interconexión Eléctrica S.A., indirect controller of the Company. He also served as director of Financial Resources at ISA, financial and administrative manager at Gas Natural de Lima y Callao, financial manager at ISA REP in Peru, and head of Financial Planning at ISA Transelca. Mr. Jaime Enrique Falquez Ortiga declares, for all legal purposes, that in the last 5 (five) years he has not been subject to any criminal conviction, any conviction, or imposition of a penalty in an administrative proceeding before the CVM, and no final conviction, in the judicial or administrative sphere, that had the effect of suspension or disqualification for the practice of any professional or commercial activity. He is not considered a Politically Exposed Person, according to the definition contained in CVM Resolution 50.

Director of Heliconia Empreendimentos, Member of the superior council of Funcex, Fundação Centro de Estudos do Comércio Exterior, since 2020, President of the advisory board of the chamber of commerce, industry, agriculture, and tourism of Brazil - Uruguay (CCBRUY), Director of the Chamber of Commerce Brazil-Ecuador, Member of the board of Bolt Energia since 2021 and Member of the board of the newspaper O Dia from 1998 to 20012. He is a founding partner of several companies, including: Axelpar, since 1998, Setarcos, since 2007, and Petrotech, since 2013. Mr. José Antônio de Magalhães Lins declares, for all legal purposes, that in the last 5 (five) years he has not been subject to any criminal conviction, any conviction, or imposition of a penalty in an administrative proceeding before the CVM, and no final conviction, in the judicial or administrative sphere, that had the effect of suspension or disqualification for the practice of any professional or commercial activity. He is not considered a Politically Exposed Person, according to the definition contained in CVM Resolution 50.

Brazilian, senior assistant professor at Fundação Getúlio Vargas (EBAPE/FGV) and associate professor at the State University of Rio de Janeiro (FAF/UERJ). Doctor in Accounting Sciences from FEA/USP (2005), Master in Accounting Sciences from FAF/UERJ (2001), graduated in Accounting Sciences (1998) and Law (1998). He is a Partner at Szuster Cardoso Serviços Contábeis. Consultant and reviewer for companies in IFRS/CPC and for governments in IPSAS/MCASP. Independent consultant to the World Bank. Chairman of the Fiscal Council of ISA CTEEP. Member of the Fiscal Council of MAM-RJ. Alternate member of the Fiscal Council of WWF-Brasil. Member of the Audit and Accounting Standards Committee of the Brazilian Association of Publicly-Held Companies (CANC-ABRASCA). In 2010, he served as an Academic Fellow at the International Financial Reporting Standards Foundation (IFRS Foundation), in London. In 2011, he served as a member of the Risk&Quality committee of PWC-Brasil. In 2012, he acted as an independent consultant for the World Bank, for the preparation of the Report on the Observance of Standards and Codes in Accounting and Auditing (ROSC-A&A). Between 2010 and 2013, he advised the Federal Accounting Council, collaborating directly in several working groups, including: technical review of the translation of the IPSASs Handbook 2010, dissemination of CPC PME, dissemination of IFRSs, constitution of GLASS. Research interest in Regulation, Professional Judgment and Data Analysis applied to Accounting, both in the public and business sectors.

Portuguese, accountant graduated in 1977 and business administrator graduated in 1975 from the Faculty of Accounting and Administrative Sciences Moraes Júnior (currently Mackenzie – RJ). Founder and CEO of Domingues e Pinho Contadores, since 1984; Founder and Director of GBrasil – Grupo Brasil de Empresas de Contabilidade, since 1996; President of the Portuguese Chamber of Commerce and Industry of Rio de Janeiro (2018 to 2022); Fiscal Council member of CTEEP - Companhia de Transmissão de Energia Elétrica Paulista (2006 to 2022); Chairman of the Fiscal Council of TAESA – Transmissora Aliança de Energia Elétrica S.A. (2017 to 2022); Chairman of the Fiscal Council of FOSB – Fundação Orquesta Sinfônica Brasileira (2019 to 2022); Fiscal Councilor of AAJB – Associação de Amigos do Jardim Botânico (2018 to 2023); Alternate Director of the CRC-RJ (2014 to 2025); and Member of the Advisory Board of SESCON-RJ (2017 to 2022). He was Chairman of the Board of Directors of Cromos S.A. Graphic Inks (1999 to 2000); Fiscal Council Member of Eletropaulo Metropolitana Eletricidade de São Paulo S.A. (2000 to 2001); and Fiscal Council member of TBG – Transportadora Brasileira Gasoduto Bolivia-Brasil S/A. ‐ Petrobras Group (2007 to 2012).

Brazilian, Bachelor in Computer Science from Universidade Estadual Paulista – UNESP and in Accounting Sciences from the Pontifical Catholic University of Minas Gerais – PUC Minas. He worked at independent audit firms Arthur Andersen, Deloitte and EY between 1996 and 2010 and was internal audit manager at Confab, a publicly held Brazilian company controlled by the Italian-Argentine group Techint/Tenaris. She was a partner at Hirashima & Associados, where she led accounting and financial consulting services and acted as a consultant for the Institute of Accounting, Actuarial and Financial Research Foundation - FIPECAFI. From July 2014 to August 2017, he held the position of controller in electricity generation companies. He was chairman of the Audit Committee of Caixa Econômica Federal and is currently a member of the board of directors of BRB - Banco de Brasília and of fiscal councils and audit committees of publicly-held and privately-held companies.

Brazilian, bachelor’s in Accounting from the Federal University of Santa Catarina, with 12 years of experience in the electricity sector, working in the Economic-Financial departments of Transmission, Generation, and Commercialization, having also worked at CGT Eletrosul and SPE Nova Era Janapu. She is currently the Executive Manager of Economic Studies at Eletrobras.

Brazilian, bachelor’s in Accounting from Universidade Cândido Mendes and Business Administration from Centro Universitário da Cidade, with over 18 years of experience in accounting and finance. He held the position of Capital Markets Manager and Accounting Advisor at PwC, Head of Quality Management and Commercial Support, responsible for three strategic areas in all business lines (B2G, B2B, B2C and E-Mobility) at ENEL X. He currently serves as Executive Controllership Manager at Eletrobras, leading the budget planning process.

Brazilian, Accountant. Master and Doctor in Accounting from the Faculty of Economics, Administration and Accounting of the University of São Paulo (FEA/USP). Post-Doctorate in Accounting from the University of Illinois at Urbana-Champaign. Full Professor at the Faculty of Administration and Accounting Sciences at the Federal University of Rio de Janeiro (FACC/UFRJ). He is a member of the accounting policies, taxes and financial statements subcommittee of the audit committee of Gol Linhas Aéreas and is a member of the Advisory Board of the Applied Research Center in Accounting and Analytics (ARC-A&A) of Fundação Getulio Vargas. Nathan is a partner at SzusterCardoso. Currently, he is an alternate member of the Company's Fiscal Council.

Brazilian, accountant, postgraduate in Accounting from FGV; Graduated in LLM - Corporate Law by IBMEC; Managing Partner of Domingues e Pinho Contadores; Financial Director of the American Chamber of Commerce in Rio de Janeiro; Member of the Fiscal Council of Escola Alemã Corcovado and Member of the Fiscal Council of FOSB – Fundação Orquesta Sinfônica Brasileira. He was a member of the Fiscal Council of TBG – Transportadora Brasileira Gasoduto Bolivia-Brasil S.A. (2012 to 2019).

Brazilian, Bachelor of Laws from the Pontifical Catholic University of São Paulo. Specialist in Consumer Relations Law and Master in Law from the same institution and an MBA in Business Management from Fundação Getúlio Vargas. She was Legal Director of Grupo Pão de Açúcar between 2005 and 2014. She held the position of Legal and Licensing Director of Grupo Carrefour Brasil between 2014 and 2018. She was Legal Director, Compliance and Government Relations of Grupo Lala in 2018 and 2019. From 2019 to 2021, she held the position of Legal Director, Risk Management and Compliance, Government Relations and DPO at Via Varejo SA She served as Secretary of the Board of Directors of Grupo Carrefour Brasil and Via Varejo S.A and was currently elected Alternate Fiscal Councilor of Tecnisa S.A and Executive Director of Instituto Mulheres do Varejo.

Brazilian, bachelor’s in Accounting from Universidade Moraes Junior. He took specialization courses in International Accounting Standards (IFRS) at Fipecafi, and “Theory and Operation of a Modern Economy” (George Washington University School of Business). He started his professional career at Eletrobras in 2002. He held positions as Manager of Accounting Consolidation and USGAAP (2006 to 2009), General Accounting Manager (2009 to 2013), Accounting Superintendent (2013 to 2021), and Planning and Control Superintendent (2022 to 2023). He is currently the Director of Planning and Controllership. Since 2010, he has been serving as a Fiscal Council member in several companies in the Electricity Sector. He chairs the Fiscal Council of Furnas and is a member of the Board of Directors of Equatorial Maranhão.

Brazilian, bachelor’s in Accounting from União Pioneira de Integração Social (UPIS), master and doctorate in Business Economics from the Catholic University of Brasília (UCB), Exponenial Business Administration (xBA) from Nova School of Business and Economics and StartSe, and holds an Executive MBA in Administration from Fundação Getúlio Vargas (FGV). He worked at Eletrobras Eletronorte, Energética Águas da Pedra S.A. (EAPSA), Brasventos Eolo Geradora de Energia S.A., Rei dos Ventos 3 Geradora de Energia S.A., Belo Monte Transmissora de Energia S.A. (BMTE), Companhia Energética Sinop S.A. (CES), Norte Energia – Usina Hidrelétrica Belo Monte – NESA, and EVIDA – Assistência à Saúde. He is currently Executive Planning Manager (FRPP) at Eletrobras.

Civil and environmental engineer, master's in Environmental Management from the University of Los Andes. He has served as Presidential Advisor at Andesco, Project Manager for the Water Coalition for Colombia at TNC (The Nature Conservancy), Deputy Minister of Water and Basic Sanitation at the Ministry of Housing, City, and Territory; President of the Water and Basic Sanitation Regulatory Commission (CRA), Advisor to the High Presidential Advisor for the Regions of the Presidency of the Republic, Coordinator of Environment and Water Resources for the Orinoco Master Plan of USAID, Deputy Superintendent for Water Supply, Sewerage, and Cleaning of the Superintendence of Public Household Services, Consultant of the Business Management Directorate of the United Nations Development Programme (UNDP), Member of the Board of Directors of EPM and General Manager of EPM, where he led the Hidroituango project, essential for Colombia's power generation. He currently holds the position of President of Interconexión Eléctrica S.A. ("ISA"), indirect controller of the Company. Mr. Jorge Andrés Carrillo Cardoso declares, for all legal purposes, that in the last 05 (five) years he has not been subject to the effects of any criminal conviction, any conviction or application of penalty in an administrative process before the CVM, and any final conviction, in the judicial or administrative sphere, which had the effect of suspension or disqualification for the practice of any professional or commercial activity.

Electrical Engineer graduated from the Belarusian Polytechnic Institute, with a Master's Degree in Engineering from the same Institute and a Master's in Administration from EAFIT University. He has been associated with Interconexión Eléctrica SA ESP - ISA since 1998 and, since 2019, has been responsible for ISA's Energy Transmission business in Chile. As General Manager of ISA ENERGIA, he contributed to strengthening ISA ENERGIA's presence in the southern country, ensuring operations and promoting sustainable growth. Previously, he served as Director of Corporate Operations at ISA ENERGIA, a position where he was responsible for coordinating ISA ENERGIA's energy transmission network operations in Latin America. In his 25 years of experience at ISA ENERGIA, he also highlights his journey through all levels of the Energy Transmission business in his roles as Operations Engineer, Operations Director, Maintenance Director, Deputy Maintenance Manager, and Assistant Technical Manager.

She is a business administrator from the Colombian School of Engineering, holds a specialization in Marketing Management from Externado University, and a master's degree in Customer and Employee Experience from OBS Business School. Additionally, she participated in the Harvard Mentor program and the Leading Digital Transformation program from the Massachusetts Institute of Technology. She was appointed Vice President of Organizational Talent as of February 7, 2025. Karen served as Manager of Culture, Development, and Employee Experience at Ecopetrol, where she worked for five years. She has over 14 years of experience in the financial and Oil & Gas sectors in areas such as human talent, projects, processes, and digital transformation. At Ecopetrol, she held various positions such as Staff and Employee Experience Leader and Digital Appropriation Leader. Similarly, she was Head of Project and Process Transformation at Davivienda; Head of Experience and Quality and Leader of Transformation and Change Management at Itaú; and Deputy Manager of High-Value Segments at Corpbanca, among others.

Bachelor of Business Administration with an emphasis in Marketing from Methodist University, North Carolina. Juliana has over 20 years of experience in leadership roles for multinational companies in the US and Europe, both in commercial and marketing roles, as well as in communications, corporate affairs and government policy advocacy. She worked as Marketing Coordinator for Colombia and Ecuador at Nerck Colombia S.A. She held positions such as New Products Manager, Product Manager, Line Coordinator and Regional Manager at Bayer S.A. She also held leadership positions at WYETH INC, PFIZER LTDA, AMGEN INC and UNITED HEALTH GROUP. In 2019, she was part of the Presidential Advisory Council of Colombian Companies, which works to guarantee the safety of women in economic issues of relevance to the country. He is currently Vice President of Institutional Relations at ISA.

Colombian, born on March 31, 1972. Lawyer graduated from the Pontifical Bolivarian University, specializing in Law and Political Science, Administrative Law and Commercial Law, from the same university, in 1994, 1998 and 2003, respectively. In addition, he has a postgraduate degree in Administrative Law from the University of Salamanca (Spain) in 2003. He has worked in the electricity sector since 1995. Initially as a Legal Advisor at URRÁ S.A. E.S.P. In June 1999, she began working at ISA as an advisory lawyer for the Wholesale Energy Market Management. In 2003, she was promoted to Director of Regulatory and Legal Management in ISA's Market Operational and Administrative Management. In 2005, she moved to XM Compañía de Expertos em Mercado S.A. E.S.P, where she served as General Secretary. She currently holds the position of Legal Vice President of the Isa Group and General Secretary of the ISA Board of Directors.