Exhibit 24.1

CONFIRMING STATEMENT

      This Statement confirms that the undersigned has authorized and designated

Edward Kissel and Johnny Wilhelm, each acting singly, to execute and file on the

undersigned's behalf all Forms 3, 4 and 5 and Schedules 13D and 13G (including

any amendments thereto) that the undersigned may be required to file with the

U.S. Securities and Exchange Commission as a result of the undersigned's

ownership of or transactions in securities of Willdan Group, Inc., a Delaware

corporation. The authority of Edward Kissel and Johnny Wilhelm under this Statement

shall continue until the undersigned is no longer required to file any of Forms

3, 4 and 5 and Schedules 13D and 13G with regard to the undersigned's ownership of

or transactions in securities of Willdan Group, Inc. unless earlier revoked in

writing. The undersigned acknowledges that Edward Kissel and Johnny Wilhelm are

not assuming any of the undersigned's responsibilities to comply with Section 16

or Section 13 of the Securities Exchange Act of 1934, as amended.

Dated: December 14, 2022               

/s/ Robert MacArthur

Robert MacArthur