UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934

Filed by the Registrant x

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Preliminary Proxy Statement

Confidential, For Use of the Commission only (as permitted by Rule 14a-6(e)(2))

Definitive Proxy Statement

Definitive Additional Materials

Soliciting Material Pursuant to Rule 14a-12

GARTNER, INC.

(Name of Registrant as Specified in Its Charter)

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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the
Stockholder Meeting to Be Held on June 01, 2017

GARTNER, INC.

GARTNER, INC.
ATTN: INVESTOR RELATIONS
56 TOP GALLANT ROAD
SAMFORD, CT 06904 - 2212



Meeting Information

Meeting Type: Annual Meeting
For holders as of: April 03, 2017
Date: June 01, 2017		Time: 10:00 AM EDT
Location:	Gartner, Inc.
	56 Top Gallant Road
	Stamford, CT 06904

You are receiving this communication because you hold shares in the above named company.

This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).

We encourage you to access and review all of the important information contained in the proxy materials before voting.

See the reverse side of this notice to obtain proxy materials and voting instructions.

— Before You Vote —

How to Access the Proxy Materials


Proxy Materials Available to VIEW or RECEIVE:

1. Notice of Meeting, Proxy Statement and Annual Report Combination Document

How to View Online:
Have the information that is printed in the box marked by the arrow (located on the following page) and visit: www.proxyvote.com.

How to Request and Receive a PAPER or E-MAIL Copy:
If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:

	1)	BY INTERNET:	www.proxyvote.com
	2)	BY TELEPHONE:	1-800-579-1639
	3)	BY E-MAIL*:	sendmaterial@proxyvote.com

* If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow (located on the following page) in the subject line.

Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 18, 2017 to facilitate timely delivery.

— How To Vote —

Please Choose One of the Following Voting Methods


	Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.

	Vote By Internet: To vote now by Internet,go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow available and follow the instructions.

	Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

Voting items

The Board of Directors recommends you vote FOR proposal 1.
		The Board of Directors recommends you
1.	Election of Directors To be elected	vote 1 YEAR on proposal 3.
	for terms expiring in 2018:
	Nominees	3.	Advisory vote on the frequency of
1a.	Michael J. Bingle		advisory votes on executive
			compensation.
1b.	Peter E. Bisson

1c.	Richard J. Bressler	The Board of Directors recommends you
		vote FOR proposals 4 and 5.
1d.	Raul E. Cesan
		4.	Approval of Amended and Restated
1e.	Karen E. Dykstra		Executive Performance Bonus Plan.

1f.	Anne Sutherland Fuchs	5.	Ratify the appointment of KPMG LLP as
			the Company’s independent auditor for
1g.	William O. Grabe		fiscal 2017.

1h.	Eugene A. Hall
		NOTE: Such other business as may properly
1i.	Stephen G. Pagliuca	come before the meeting or any adjournment
		thereof.
1j.	James C. Smith

The Board of Directors recommends you vote FOR proposal 2.

2.	Advisory approval of the Company’s executive compensation.