Mathiesen Jeffrey S Form 4 HELIUS MEDICAL / JEFFREY S MATHIESEN ownership change

EXHIBIT 24

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints each of Joyce LaViscount, Allison Northup, Meredith Ervine,
Emily J. Johns, and Stephanie Swan, signing singly, and with
full power of substitution, his or her true and lawful attorney in fact to:
1. execute for and on behalf of the undersigned, with respect to the
undersigneds position as an officer and/or director of
Helius Medical Technologies, Inc. the Company,
Form ID and Forms 3, 4 and 5 in accordance with Section 16a
of the Securities Exchange Act of 1934 and the rules thereunder;
2. do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such Form
ID or Forms 3, 4 or 5, complete and execute any amendment or amendments
thereto, and timely file such form with the United States Securities and
Exchange Commission and any stock exchange, stock market or similar
authority; and
3. take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney in fact, may be of benefit
to, and in the best interest of, or legally required by, the undersigned,
it being understood that the documents executed by such attorney in fact on
behalf of the undersigned pursuant to this Power of Attorney shall be in
such form and shall contain such terms and conditions as such attorney in
fact may approve in such attorney in facts discretion.
The undersigned hereby grants to each such attorney in fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and
powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney in fact, or such attorney in facts substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted.  The undersigned acknowledges that the
foregoing attorneys in fact, in serving in such capacity at the request of
the undersigned, are not assuming, nor is the Company assuming, any of the
undersigneds responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.
This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to
the undersigneds holdings of and transactions in securities issued by the
Company, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys in fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 26 day of May, 2021.

						/s/ Jeffrey S. Mathiesen