About Turner Caldwell
Turner Caldwell is CEO and director at Mariana Minerals.
Experience
This experience comes from Turner Caldwell's profile and from SEC filings. For roles taken from filings, the years are when the filings name Turner Caldwell in the role, so the role may have started earlier or lasted longer.
Mariana Minerals Co. Current
Co-Founder and CEO (2024 – Present)
Director
2024 – Present · San Francisco, CA
Builds mines and refineries to supply minerals for energy, AI and defense technologies.
TE
Tesla
Sr Manager, Battery Minerals & Metals
2015 – 2024
SG
Syska Hennessy Group
Engineer II
2014 – 2015
Key Colleagues at Startups
The people Turner Caldwell works with at each company, as listed on that company's latest Form D.
Mariana Minerals Co. · Form D, Aug 6, 2026
JV
Juan Lozano Van De Ven
Executive officer, director and promoter
ST
Schuyler (Baker) Tilney
CFO and director
EW
Erin Price-Wright
Director
SK
Samir Kaul
Director