Mr. Rosado has been our Chief Executive Officer since January 2022. He has more than 16 years of experience in the metals and mining industry, and extensive board experience in different countries. Mr. Rosado led the initial public offering of Hochschild Mining Plc, and its acquisition strategy on Canadian Mining Assets. He also led the reorganization and transformation of Volcan Compañia Minera S.A.A. (“Volcan”) which included the construction of two new polymetallic mines and the issuance of bonds for more than US$1 billion. Prior to joining Nexa Resources, Mr. Rosado was the CEO of Volcan since 2014 and its Deputy CEO since 2010. Prior to Volcan, he served as Director and Chief Financial Officer at Hochschild Mining Plc. since 2005 and as a Senior Project Manager at McKinsey & Company since 2000. During his career, he also served on the Board of Directors of Lake Shore Gold Corp., Zincore Metals, Cordoba Minerals, and Kaizen Discovery. Mr. Rosado graduated with a degree in Economics in 1992 from Universidad del Pacifico and an MBA from the Ross School of Business, University of Michigan in 2000.
Since October 2022, Mr. del Valle has served as our Senior Vice President of Finance, Group Chief Financial Officer, and Procurement officer. He has more than 25 years of experience in finance and planning and in-depth knowledge of the mining and metals industries. Prior to joining us he served for nine years as CFO at Compañía Minera Antamina, where he successfully led several significant initiatives, including the company’s successful transformation program. He was the CFO of Volcan Compañía Minera prior to Antamina. Prior to that, he held various leadership positions at well-known companies, including McKinsey & Company, Standard Chartered Bank, and Wells Fargo Bank, among others. Mr. del Valle holds a Business Administration degree from California State University, as well as an MBA from The Wharton School. More recently, he also graduated from the Advanced Management Program (“AMP”) at Harvard Business School.
Mr. Belther has been our Senior Vice President Mineral Exploration & Technology since 2014. He has over 28 years of experience in the area. He held the same position at Votorantim Metais S.A. between 2004 and 2014. Prior to joining us, he was country manager at Vale in Peru between 2002 and 2004. He has worked in Brazil and abroad in companies such as Rio Tinto Brasil, Golden Star Resources, in Suriname, Phelps Dodge in Brazil and Chile, Vale in Brazil and Peru, and other companies. Mr. Belther graduated with a degree in Geology in 1991 from the São Paulo State University, UNESP, in Brazil, where he also obtained a Master’s degree in 2000 in Mineral Exploration.
Mr. Coelho has been our Senior Vice President Mining since 2017. Mr. Coelho has over 20 years of experience managing mining operations with focus at gold and zinc. Prior to joining us, Mr. Coelho worked for Anglo Gold Ashanti Ltd. for 15 years, where he initiated his career as a Trainee. In Anglo Gold Ashanti Ltd., Mr. Coelho has led mining operations and the expansion of mining projects and served as General Manager of the Cuiabá and Lamego complexes as his last position at this company. Mr. Coelho graduated with a degree in Mine Engineering in 2001 from the Federal University of the State of Minas Gerais (“UFMG”) and has obtained graduate degrees from the Kellogg Graduate School of Management in 2015 in the United States, the Dom Cabral Foundation in 2009 in Brazil and the University of Cape Town in 2005 in South Africa as well as a qualification at INSEAD in digital transformation in 2018 and MIT in 2019.
Mr. Godoy has been our Senior Vice President Project Development & Execution since June 2020 and has also been responsible for engineering and IT. Mr. Godoy has over 27 years of experience in the mining industry. He has worked in different roles related to mineral exploration, mineral technology, project development and implementation and mining operations in several countries including Brazil, Mozambique, Chile, Zambia, Australia and Suriname. Mr. Godoy previously worked in well-known companies including Vale, Phelps Dodge, Golden Star Resources and Novo Astro Mining. He was also the chairman of the Agency for the technological development of the Brazilian Mining Industry (“ADIMB”). Mr. Godoy is a graduated Geologist and has a Masters in Geology from the São Paulo State University (“UNESP”).
Mr. Boletta has been our Senior Vice President Smelting since 2016. Mr. Boletta has over 30 years of experience with operations. He joined Votorantim Metais S.A. in 1986, having served in several production areas. Between 2010 and 2011, he was responsible for the design review of an aluminum smelter in Trinidad and Tobago. Mr. Boletta graduated with a degree in electrical engineering from the Federal University of Itajubá, UNIFEI in 1985 and holds an MBA from FGV.
Mr. Cicilini became Vice President Human Resources in 2019. Mr. Cicilini joined Nexa Resources in 2018 as senior Human Resources manager for attraction, development and culture and has been responsible for leading a culture transformation program. He has over 20 years of professional experience in various business sectors, including telecommunication, food and beverage, mobility solutions, industrial technology, consumer goods, energy and building technology. He has previously worked in companies including Algar Telecom, AmBev and Robert Bosch and been located throughout Latin America, including in Peru, Colombia, Ecuador, Venezuela, Panama and Costa Rica. Mr. Cicilini previously worked as Regional Corporate Human Resources Project Manager and has been responsible for change management and innovation, business intelligence and cross-selling functions. He holds a degree in Psychology and an MBA in Business Administration.
Ms. Varella has been our Head of Investor Relations since 2019. Roberta Varella joined Nexa Resources in March 2019 and has more than 20 years of experience with solid knowledge in finance, accounting, planning and marketing. Before Nexa, she was Investor Relations director for Marfrig, where she also had the opportunity to manage different business areas, including FP&A and strategic planning, and supporting company’s decision to redirect its growth strategy. Prior to that, she worked for more than 10 years at Braskem, in different leading positions and later, as IR director. She also worked at Vale (corporate strategic planning) and BNP Paribas (corporate finance). Ms. Varella received a Bachelor’s degree in Chemical Engineer from E.E.Mauá, a Business degree and MBA from Fundação Getúlio Vargas (FGV) and an Executive Education program from Wharton School.
Ms. Ribeiro has been our Head of Corporate Affairs since 2019. Lucila Ribeiro Cestariolo has 20 years of experience in the communications and public affairs field, working with different countries in the Americas, Europe and Asia. Prior to join us, Mrs. Cestariolo worked for Gerdau, an international steel producer, and several media outlets in Brazil. She has been Corporate Affairs General Manager since 2019 and holds a degree in Journalism from Pontifícia Universidade Católica do Rio Grande do Sul and Economics from Universidade Federal do Rio Grande do Sul, as well as an executive education course in International Communications from Syracuse University.
Ms. Penna has been our Chief Counsel and Head of Governance since 2017. Ms. Renata Penna is the Chief Counsel and Head of Governance at Nexa, having joined the company in January 2017. Within more than 15 years of experience, Renata has focused on M&A, project finance and capital market transactions, being the responsible counsel and project manager on Nexa’s initial public offering in October 2017 at NYSE and TSX. Prior to Nexa, Renata has led LATAM, M&A and Finance divisions within the Legal Department of Votorantim Cimentos, as well as worked for reputable law firms such as Linklaters and Barbosa Mussnich & Aragão Advogados. A Bachelor from Pontifícia Universidade Católica de São Paulo, Ms. Penna also holds a Master of Law Degree (LL.M.) from the University of Chicago Law School and an Executive Education Program on Women on Board from Harvard Business School.