POWER OF ATTORNEY
Know all by these presents that the undersigned hereby constitutes
and appoints each of Kevin Tang and Jenna Gallagher signing singly,
the undersigned?s true and lawful attorney-in-fact to:
1. prepare, execute in the undersigned?s name and on the undersigned?s behalf,
and submit to the U.S. Securities and Exchange Commission (the ?SEC?) a
Form ID, including amendments thereto, and any other documents necessary
or appropriate to obtain codes, passwords and passphrases enabling the
undersigned to make electronic
filings with the SEC of reports required by the Securities
Exchange Act of 1934 or
any rule or regulation of the SEC;
2. execute for and on behalf of the undersigned,
in the undersigned?s capacity as
beneficial owner and an Officer and/or Director of
Gartner, Inc., a Delaware corporation
(the ?Company?), Forms ID, 3,4, and 5 in accordance
with Section 16(a) of the Securities
Exchange Act of 1934 and the rules thereunder;
3. 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, 3, 4 and 5, complete and
execute any amendment or amendments thereto, and
timely file such form with the SEC and any
stock exchange or similar authority; and
4. 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 of revocation, hereby ratifying and confirming
all that such attorney-in-fact,
or such attorney-in-fact?s 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
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 ID, 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 8th day of December, 2023.

/s/ Karen E. Dykstra