In a conversation with Sigma CEO Kazuto Yamaki, we talked about the philosophy of 'beautiful foolishness' and the design ...

He attended the University of Texas and was a member of the Sigma Alpha Epsilon, fraternity, an organization he supported for decades, including acting as the Chapter Advisor. Kirk married Julie ...

Sigma Lithium Corporation engages in the exploration and development of lithium deposits in Brazil. It holds a 100% interest in the Grota do Cirilo, Genipapo, Santa Clara, and São José ...