POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby
constitutes and appoints each of Lewis G. Schwartz,
Brian Callahan, Kevin Feeney and Clare Kretzman,
signing singly, the undersigneds true and lawful
attorney-in-fact to:

(1)	Execute for and on behalf of the undersigned, in the
undersigneds capacity as an Executive Officer and/or Director
of Gartner, Inc. (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;

(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, 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-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-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 24th day of September, 2007.


Christopher, Alister