Keith Prentice is a seasoned leader in mine development and construction, with significant experience in Africa and internationally. Keith was formerly the Director of Processing at Sigma Lithium, where he most recently co-led the operational ramp-up of the Greentech Plant. Prior to joining Sigma Lithium, Keith served in leadership roles at Sierra Rutile Limited and Okavango Mining Engineering, where he developed and implemented major capital projects, managed project risk and mitigation, and worked alongside executive management on forecasting and reporting. Keith’s experience also includes roles as General Manager of Business Development at ELB/PBA Engineering and Departmental Head of Process at Kenmare Resources Plc. Earlier in his career, Keith spearheaded mining projects across Africa, and held various managerial positions at De Beers. Keith holds a degree in Extraction Metallurgy from the School of Mines at the University of Johannesburg and a Production Management Diploma from Technikon RSA.