Form: 4

Statement of changes in beneficial ownership of securities

July 5, 2023

POA

Published on July 5, 2023

POWER OF ATTORNEY
The undersigned hereby constitutes and appoints each of Anthony
Harris and Ben Ward, signing singly, the undersigned's true and
lawful attorney-in-fact to:
1. Execute for and on behalf of the undersigned, in
the undersigned's capacity as an officer and/or director of
Barrett Business Services, Inc. (the "Company"), Forms 3, 4,
and 5 in accordance with Section 16(a) of the Securities
Exchange Act of 1934 and the rules thereunder, and any other
forms or reports the undersigned may be required to file in
connection with the undersigned's ownership, acquisition, or
disposition of securities of the Company, including forms
required to generate codes for the Securities and Exchange
Commission's electronic filing system; and
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 3, 4, or 5, or other form or
report, and timely file such form or report with the United
States Securities and Exchange Commission and any stock exchange
or similar authority as appropriate.
The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform any and every act and thing
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 could do if personally present, hereby ratifying
and confirming all that such attorney-in-fact 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,
and the
' Company is not assuming, any of the undersigned's
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 subject to Section 16 of the
Securities Exchange Act of 1934 with respect to the
undersigned's 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 the 3 l51 day of August, 2022.

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'Signature
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