Exhibit 23.3

CONSENT OF TETRA TECH

We hereby consent to the incorporation by reference of any mineralized material and other analyses performed by us in our capacity as an independent consultant to Golden Minerals Company (the “Company”), which are set forth in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016, in this Registration Statement on Form S-3 (the “Registration Statement”) or in any amendment to the foregoing, or to any prospectuses or amendments or supplements thereto. We also consent to the reference to us under the heading “Experts” in such Registration Statement and any related prospectuses.

Date: September 14, 2017

/s/ Rex C. Bryan

Signature of Qualified Person

Rex C. Bryan

Name of Qualified Person