Previously Served as President and CEO of Siemens USA Proven Leader with Decades of Experience Managing and Growing Complex, Technology-Driven Organizations in the Critical Infrastructure and National Defense Industries STILLWATER, Okla., Sept. 29, 2025 (GLOBE NEWSWIRE) -- USA Rare Earth, Inc. (Nasdaq: USAR) (USAR or the Company) today announced that its Board of Directors has appointed Barbara Humpton as the Company’s Chief Executive Officer to succeed Josh Ballard, effective October 1, 2025. Humpton will ...