IR team


IR team

IR team

See who is in the IR team and find out how to contact us.


Our IR Team adopted work-from-home. We strongly recommend you prioritize e-mail and online engagement



Praia de Botafogo, 186
Rooms 501 to 1901

Botafogo - Rio de Janeiro/RJ - Brazil
Zip Code: 22250-145

  • André Werner


    André joined the IR team in 2017. Prior to joining IR he spent 12 years with Vale’s Risk Management Department in which he was responsible for commercial, treasury and market risk management. Before that, he worked in the Finance Department in which he participated in execution of cash, derivatives and foreign exchange transactions. André is an economist and holds an MSc in Finance and Business Economics from Fundação Getúlio Vargas (FGV/RJ) and a MBA in Corporate Finance from Pontíficia Universidade Católica (PUC-RJ).

  • Mariana Rocha


    Mariana joined the IR team in 2019. Prior to joining the IR, she worked for thirteen years in the electricity sector, being the last three years at Energisa, where she structured the Investor Relations Management after a re-IPO and participated in asset acquisition, voluntary and hostile offerings and capital market fundraising operations. Before that, she worked for ten years for Light in various positions such as budget, regulation, business development and, lastly, the investor relations department. Mariana is an economist and holds an MSc in Economics and Finance from IBMEC-RJ.

  • Samir Bassil


    Samir Bassil joined the IR team in 2018. Prior to joining IR he worked for 5 years as a person in charge of the corporate governance with Vale's Board of Directors, Advisory Committees and Fiscal Council, where he led, along with the other areas of the company, the process of transforming Vale's corporate governance that culminated with the entry of the company in the B3 Novo Mercado. Still at Vale, he worked for 5 years in the Global Strategy Department and in the Logistics Planning Department, where he mainly carried out activities related to investment analysis, portfolio management and strategic positioning. Graduated in Economics, he holds a MSc degree in Finance and Investment Analysis from Pontifícia Universidade Católica (PUC-RJ). He also attended several finance courses at the Chicago Booth School of Business, USA.

  • Clarissa Couri


    Clarissa joined the IR team in 2018. Prior to joining IR she spent 7 years with Vale’s Finance Department, working in the Funding area, in which she participated in several large capital market transactions, including bond issuances, ECA financing, shipping finance and project finance. Prior to joining Vale, Clarissa worked in the telecommunications sector. Clarissa holds a degree in Engineering from Pontíficia Universidade Católica (PUC-RJ) and holds an MSc in Engineering from Universidade Federal Fluminense (UFF).

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