Jeffasson Ferreira possesses extensive experience in the mining industry, currently serving as Coordenador Téc. de Processos de Sondagem and Técnico em Mineração Master at MCA Auditoria e Gerenciamento Ltda. Previous roles include Supervisor de Logística at MECBRUN INDUSTRIAL and various positions at Celesta Mineração S.A. and Vale, demonstrating strong leadership in mine management, logistics, and operational oversight. A background in quality control and technical supervision complements Jeffasson's work in project planning, team coordination, and equipment management across several mining and construction projects. Currently pursuing a degree in Engenharia de Minas at FacUnicamps, Jeffasson holds a technical degree in Mineração from Escola Técnica Soter.