Exhibit 24                POWER OF ATTORNEY

WHEREAS, effective as of February 21, 2019, the undersigned previously appointed
Kamau A. Coar and Pamela Bell-Carter as the undersigned's attorney-in-fact to
execute and file forms required under Section 16(a) of the Securities Exchange
Act of 1934, and to take any and all acts for and on behalf of the undersigned
in connection therewith; and

WHEREAS, the undersigned desires to further reflect such appointment of Kamau A.
Coar and Pamela Bell-Carter as attorney-in-fact and to further appoint Kelly
Crosier as the undersigned's attorney-in-fact to execute and file forms required
under Section 16(a) of the Securities Exchange Act of 1934 effective as of the
date hereof.

KNOW ALL BY THESE PRESENTS that the undersigned previously constituted and
appointed, effective as of February 21, 2019, Kamau A. Coar and Pamela
Bell-Carter, and hereby constitutes and appoints Kelly Crosier, effective as of
the date hereof, 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 Heidrick & Struggles International, Inc. (the
"Company"), Forms 3, 4 and 5 (including any amendments thereto) in accordance
with Section 16(a) 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 3, 4 or 5
and timely file such form with the United States Securities and Exchange
Commission and any stock exchange 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,
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-fact's 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-fact's substitute or substitutes, has lawfully done or 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, have not assumed and are not assuming, nor is the Company 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 required to file Forms 3, 4 and 5 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 this 28th day of February, 2020.

	                                      Michael Cullen
	                                       Printed Name

	                                    /s/ Michael Cullen
                                                 Signature