Elon Musk
CEO, Tesla & SpaceX; owner of X / xAI
Endorsed Trump July 13, 2024 (right after the Butler assassination attempt); funded and ran America PAC; campaigned in Pennsylvania.
Led DOGE in early 2025. Public feud with Trump in June 2025. Reconciled by early 2026 (Mar-a-Lago dinner) and is funding Republicans in the 2026 midterms (Axios, Dec 2025).