Turner Caldwell

Co-Founder and CEO

Mariana Minerals

Sep 2024 - Current (1 year 11 months)

Sr Manager, Battery Minerals & Metals

Tesla

Sep 2022 - May 2024 (1 year 9 months)

Responsible for Tesla’s lithium, nickel, battery recycling, and other minerals programs, including fundamental chemistry development, process scale up, plant design/engineering, capital project execution, site operations, and material supply/sourcing strategy. Scaled team to nearly 300 employees over the course of 12 months across 6 different sites to advance development and commercial projects across the battery metals value chain. Led all aspects of capital project planning and execution for the US’s largest lithium hydroxide refinery, that Tesla is building outside of Corpus Christi.

Engineering Manager, Cathode Materials and Production Systems

Tesla

Aug 2020 - Sep 2022 (2 years 2 months)

Program leadership - Responsible for in-house cathode, precursor, lithium and nickel process development, scale-up, and commercialization programs Team Leadership and growth - Drove team’s growth from team of 6 to an org of 100+ over the course of 2 years, and led engineering team including process technology/development, process/mechanical/chemical/thermal/bulks solids engineering, process controls, BIM/process design, and project execution teams. Capital Project Development - Led all aspects of equipment selection, plant design, and project execution for North America’s largest cathode manufacturing facility built in Austin, TX.

Various Engineering Roles - Battery Cell, Cell Manufacturing, Cell Materials Development, Production

Tesla

Apr 2015 - Aug 2020 (5 years 5 months)

Factory design – First member of Gigafactory 1 Factory Design Team, focused on design of factory layouts and utility systems at the Gigafactory, and on delivering energy consumption and CapEx investment reductions. Primary emphasis on the building/facility systems supporting battery and cell production. Experience with design, construction, and commissioning of advanced facility systems supporting complex manufacturing operations. Lithium-ion cell manufacturing - Primary point of contact with Panasonic to evaluate improvements to cell manufacturing systems, quantify improvement opportunities, establish priorities, and lead design of improvements to footprint, throughput, energy consumption, and capital cost for cell manufacturing systems.

Engineer II

Syska Hennessy Group

Jan 2015 - Apr 2015 (4 months)

Engineer I

Syska Hennessy Group

Jul 2014 - Jan 2015 (7 months)

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