Sigma Lithium Corporation has named Matthew DeYoe as its new executive vice president for Corporate Affairs and Strategic Development, based in the United States, effective immediately. In the new role, DeYoe aims to improve the company's direct personal interface with global investors, increasing the value of Sigma Lithium's common shares listing on the Nasdaq Stock Exchange. He will also advise the management team on its growth strategy and new market opportunities.

DeYoe has served at Bank of America, where he was the leading coverage research director for lithium and chemical companies over the past four years. He has served in positions on the buy-side at hedge funds, where he specialised in chemical, lithium, and energy investments.