Sigma Lithium appoints Senior Executives

Sigma Lithium appoints Senior Executives

Matthew DeYoe as Executive Vice President for Corporate Affairs and Strategic Development and Alexandre Mattos as Environmental Director

  • By ICN Bureau | October 29, 2023

Sigma Lithium has appointed Matthew DeYoe as Executive Vice President for Corporate Affairs and Strategic Development. Matthew is joining Sigma Lithium from Bank of America, where he was the leading coverage research director for lithium and chemical companies over the past four years. Matthew will start his new position effective immediately.

Matthew will also advise the management team on its growth strategy and new market opportunities. Prior to Bank of America, Matthew held positions on the buy-side at hedge funds where he specialized in chemical, lithium, and energy investments. Matthew holds a Bachelor of Science degree in Business Administration from Georgetown University and is a CFA charterholder.

Sigma Lithium is also augmenting its environmental team by hiring Alexandre Mattos as Environmental Director. Alexandre has 18 years of experience running every operational environmental aspect of a large producer in metals and mining. He joins Sigma Lithium from Kinross Mineração Brazil, which has over 1,700 people at its operating site in Brazil.

Alexandre is an environmental engineer and holds a master's degree in Land Planning and Environmental Management from Universitat de Barcelona, Spain. He also holds a post graduate degree in Occupational Safety from PUC in Brazil as well as an MBA in Environmental Studies from Fundação Getulio Vargas in Brazil.

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