Even as Sigma Lithium Corp. weathers a collapse in the silvery-white metal’s price, she’s vowing to stay the course and even triple production with a message for rivals and naysayers: She’s finally figured this thing out.
“The joke in the industry is I’m the longest serving temporary CEO because it’s so brutal,” Cabral said in an interview in Sao Paulo. “My peers from that vintage are gone. They retired, they’re moving elsewhere, they’re doing other things.”
While Sigma is finally producing and shipping lithium to key markets like China, Cabral is grappling with a lack of premium for her product, what she sees as “illegal” competition from players who don’t uphold similar human rights and safety protocols, and the need to secure long-term capital.
Lofty statements
The fast-talking executive, who’s in her early 50s, is prone to lofty statements, including her claim to produce…


