Exhibit 5.4

August 13, 2026

To: Apex Critical Metals Corp.

Suite 400 - 570 Granville Street
Vancouver, British Columbia, V6C 3P1, Canada

Consent of Expert

Reference is made to the Form F-10 of Apex Critical Metals Corp., dated August 13, 2026 and the documents incorporated by reference therein (the "Registration Statement").

I hereby:

1. consent to the use of my name and authorize the use of the information represented in the Registration Statement as having been prepared by or under my supervision; and

2. confirm that I have read the Registration Statement and have no reason to believe that there are any misrepresentations in the information contained or incorporated therein that are derived from the information represented in the Registration Statement as having been prepared by me or under my supervision or within my knowledge as a result of the services performed by me in connection with such information.