it-20260415

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_______________________________

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

_______________________________

Filed by the Registrant

Filed by a Party other than the Registrant

Check the appropriate box:


¨			Preliminary Proxy Statement
¨			Confidential, For Use of the Commission only (as permitted by Rule 14a-6(e)(2))
x			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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x			No fee required.
¨			Fee paid previously with preliminary materials.
¨			Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

April 15, 2026

Dear Stockholder:

On behalf of the Board of Directors and Management of Gartner, Inc., you are invited to attend our 2026 Annual Meeting of Stockholders to be held on Thursday, May 28, 2026, at 10 a.m. Eastern Time, via live audio webcast over the internet at www.virtualshareholdermeeting.com/IT2026. Stockholders or their legal proxy holders can participate, submit questions, and vote at the Annual Meeting by visiting www.virtualshareholdermeeting.com/IT2026 and using a valid control number. As always, we encourage you to vote your shares prior to the Annual Meeting.

Details of the business to be conducted at the meeting are given in the Notice of Annual Meeting of Stockholders and Proxy Statement which follow this letter. The 2025 Annual Report to Stockholders is also included with these materials.

We have mailed to many of our stockholders a Notice of Internet Availability of Proxy Materials (the “Notice”) containing instructions on how to access our 2026 Proxy Statement and our 2025 Annual Report to Stockholders, and how to vote online on the three management Proposals put before you this year. The Notice also includes instructions on how to request a paper or email copy of the proxy materials, including the Notice of Annual Meeting, Proxy Statement and Annual Report, and proxy card or voting instruction card. Stockholders who previously either requested paper copies of the proxy materials or elected to receive the proxy materials electronically did not receive a Notice and will receive the proxy materials in the format requested.

In addition, by following the e-consent instructions in the proxy card, stockholders may go paperless in future solicitations and request proxy materials electronically by email on an ongoing basis.

Your vote is important. Whether or not you plan to attend the Annual Meeting, we urge you to review the proxy materials and vote your shares, regardless of the number of shares you hold, as soon as possible. You may vote by proxy over the internet or by telephone using the instructions provided in the Notice. Alternatively, if you received paper copies of the proxy materials by mail, you can also vote by following the instructions on the proxy card or voting instruction card. Instructions regarding the three methods of voting are contained in the Notice, proxy card or voting instruction card.

If you have any questions about the meeting, please contact our Investor Relations Department at investor.relations@gartner.com.

Sincerely,

Eugene A. Hall

Chairman of the Board and Chief Executive Officer



			2026 Proxy Statement

56 Top Gallant Road

Stamford, Connecticut 06902

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS


Date and Time						Location
Thursday, May 28, 2026						Attend the annual meeting online, including submitting questions and voting, at www.virtualshareholdermeeting.com/IT2026
10:00 a.m. Eastern Time


Matters To Be Voted On:	(1)	Election of thirteen (13) members of our Board of Directors named in this proxy statement;

	(2)	Approval, on an advisory basis, of the compensation of our named executive officers; and

	(3)	Ratification of the appointment of KPMG LLP as our independent registered public accounting firm for the 2026 fiscal year.

Record Date:	April 2, 2026 – You are eligible to vote if you were a stockholder of record on this date.

Proxy Voting:	You may vote by internet, telephone or mail, regardless of whether you plan to participate in the Annual Meeting. As always, we recommend voting in advance. Please refer to the section entitled “Information Concerning Proxy Materials and the Voting of Proxies – How Can You Vote?” on page 63 of the Proxy Statement for a description of how to vote.

To be admitted to the Annual Meeting, please visit www.virtualshareholdermeeting.com/IT2026. Online check-in will be available approximately 15 minutes before the meeting starts. Stockholders of record as of the close of business on April 2, 2026, the Record Date, are entitled to participate in and vote at the Annual Meeting. To participate in the Annual Meeting, including to vote and ask questions during the Annual Meeting, stockholders of record should go to the meeting website at www.virtualshareholdermeeting.com/IT2026, enter the 16-digit control number found on your proxy card or Notice of Internet Availability of Proxy Materials (the “Notice”), and follow the instructions on the website. If your shares are held in street name and your voting instruction form or Notice indicates that you may vote those shares through the http://www.proxyvote.com website, then you may access, participate in, and vote at the annual meeting with the 16-digit access code indicated on that voting instruction form or Notice. Otherwise, stockholders who hold their shares in street name should contact their bank, broker or other nominee (preferably at least 5 days before the Annual Meeting) and obtain a “legal proxy” in order to be able to attend, participate in or vote at the Annual Meeting. For more information about how to attend the Annual Meeting online, please see “Information Concerning Proxy Materials and the Voting of Proxies – How Can I Participate in the 2026 Annual Stockholders’ Meeting?” on page 61 of the Proxy Statement.

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting of Stockholders to Be Held on May 28, 2026: We are making this Notice of Annual Meeting, this Proxy Statement and our 2025 Annual Report available on the Internet at www.proxyvote.com and mailing copies of these Proxy Materials to certain stockholders on or about April 15, 2026.

By Order of the Board of Directors,

Thomas Kim

Executive Vice President, Chief Legal Officer & Secretary

Stamford, Connecticut

April 15, 2026



			2026 Proxy Statement

TABLE OF CONTENTS


GENERAL INFORMATION

The Annual Meeting and Proposals			1

THE BOARD OF DIRECTORS

General Information About Our Board of Directors			2
Director Skills, Experience and Expertise			12
Majority Vote Standard			12
Compensation of Directors			12
Director Compensation Table			13
Director Stock Ownership and Holding Period Guidelines			14

CORPORATE GOVERNANCE

Board Principles and Practices			15
Director Independence			15
Board Leadership Structure			16
Risk Oversight			16
Management Succession Planning			17
Stockholder Engagement			18
Corporate Responsibility and Sustainability			18
Board and Committee Meetings and Annual Meeting Attendance			18
Committees Generally and Charters			18
Audit Committee			19
Compensation Committee			20
Governance Committee			21
Code of Ethics and Code of Conduct			21
Overboarding Policy			22
Insider Trading Policy; Prohibition Against Hedging and Pledging			22
Forum Selection Bylaws			22

PROPOSAL ONE: ELECTION OF DIRECTORS

Nominees for Election to the Board of Directors			23

EXECUTIVE OFFICERS

General Information about our Current Executive Officers			24

COMPENSATION DISCUSSION & ANALYSIS

Executive Summary			27
Compensation Setting Process for 2025			30
Other Compensation Policies and Information			37
Executive Stock Ownership and Holding Period Guidelines			37
Equity Award Grant Practices			38


Clawback Policy			38
Accounting and Tax Impact			38
COMPENSATION COMMITTEE REPORT			39
COMPENSATION TABLES AND NARRATIVE DISCLOSURES

Summary Compensation Table			40
Other Compensation Table			41
Grants of Plan-Based Awards Table for Fiscal Year 2025			42
Certain Employment Agreements with Executive Officers			42
Outstanding Equity Awards at Fiscal Year-End December 31, 2025			46
Option Exercises and Stock Vested for Fiscal Year 2025			47
Non-Qualified Deferred Compensation for Fiscal Year 2025			47
Potential Payments upon Termination or Change in Control			48
Pay Ratio			50
Pay Versus Performance			51
Equity Compensation Plan Information			54

PROPOSAL TWO: APPROVAL, ON AN ADVISORY BASIS, OF THE COMPENSATION OF OUR NAMED EXECUTIVE OFFICERS			55

PROPOSAL THREE: RATIFICATION OF APPOINTMENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM			56

Principal Accountant Fees and Services			56
Audit Committee Report			57

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT			58

TRANSACTIONS WITH RELATED PERSONS			60

DELINQUENT SECTION 16(a) REPORTS			60

PROXY AND VOTING INFORMATION

Information Concerning Proxy Materials and the Voting of Proxies			61
Stockholder Communications			65
Available Information			65
Process for Submission of Stockholder Proposals for our 2027 Annual Meeting			65
Annual Report			66



			2026 Proxy Statement

56 Top Gallant Road

Stamford, Connecticut 06902

www.virtualshareholdermeeting.com/IT2026



PROXY STATEMENT

For the Annual Meeting of Stockholders to be held on May 28, 2026

GENERAL INFORMATION

The Annual Meeting and Proposals

The 2026 Annual Meeting of Stockholders of Gartner, Inc. will be held on Thursday, May 28, 2026, at 10:00 a.m. Eastern Time, for the purposes set forth in the accompanying Notice of Annual Meeting of Stockholders and described in greater detail below. This Proxy Statement and form of proxy, together with our 2025 Annual Report to Stockholders, are being furnished in connection with the solicitation by the Board of Directors of proxies to be used at the meeting and any adjournment of the meeting and are first being made available to our stockholders on or around April 15, 2026. We will refer to our company in this Proxy Statement as “we”, “us”, the “Company” or “Gartner.” The three proposals to be considered and acted upon at the Annual Meeting, which are described in more detail in this Proxy Statement, are:

Proposals

Board Recommendation

Page

Election of each of the thirteen (13) nominees to our Board of Directors Named Herein

☑

FOR

EACH NOMINEE

Approval, on an advisory basis, of the compensation of our named executive officers (“NEOs”)

☑

FOR

Ratification of the appointment of KPMG LLP as our independent registered public accounting firm for the 2026 fiscal year

☑

FOR

Management does not intend to present any other items of business and is not aware of any matters other than those set forth in this Proxy Statement for action at the 2026 Annual Meeting of Stockholders. However, if any other matters properly come before the Annual Meeting, the persons designated by the Company as proxies may vote the shares of common stock (“Common Stock”) they represent in their discretion.

The 2026 Annual Meeting of Stockholders will be held in a virtual meeting format only, on the above date and time, via live audio webcast. Stockholders or their legal proxy holders can participate, submit questions, and vote at the Virtual Annual Meeting by visiting www.virtualshareholdermeeting.com/IT2026 and using a valid control number. For more information about how to attend the Annual Meeting online, please see “Information Concerning Proxy Materials and the Voting of Proxies – How Can I Participate in the 2026 Annual Stockholders’ Meeting?” on page 61 of the Proxy Statement. As always, we encourage you to vote your shares prior to the Annual Meeting.

* * *

This document includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements other than statements of historical or current facts, including statements regarding our plans and goals, made in this document are forward-looking. We use words such as anticipates, believes, expects, future, intends, and similar expressions to identify forward-looking statements. Forward-looking statements reflect management’s current expectations and are inherently uncertain. Actual results could differ materially for a variety of reasons. Risks and uncertainties that could cause our actual results to differ significantly from management’s expectations are described in our 2025 Annual Report on Form 10-K.

Forward-looking and other statements in this proxy statement regarding our corporate responsibility and other sustainability plans and goals are not an indication that these statements are necessarily material to investors or required to be disclosed in our filings with the Securities and Exchange Commission. Website references throughout this document are provided for convenience only, and the content on the referenced websites is not incorporated by reference into this document.



			2026 Proxy Statement			1

THE BOARD OF DIRECTORS

General Information About Our Board of Directors

The Board of Directors of Gartner, Inc. (the “Board”) currently has 13 directors who serve for annual terms. Mr. Eugene A. Hall, our CEO, serves as Chairman of the Board and Ms. Karen E. Dykstra serves as our Lead Independent Director, in accordance with our Board Principles and Practices.

Mr. Hall has an employment agreement with the Company that obligates the Company to include him on the slate of nominees to be elected to our Board during the term of the agreement. See Executive Compensation – Certain Employment Agreements with Executive Officers – Mr. Hall — Employment Agreement below. There are no other arrangements between any director or nominee and any other person pursuant to which the director or nominee was selected. None of our directors or executive officers is related to another director or executive officer by blood, marriage or adoption.

Each member of our Board has been nominated for election at the 2026 Annual Meeting. See Proposal One – Election of Directors on page 23. Set forth below are the name, age, principal occupation for the last five years, public company board experience, selected additional biographical information and period of service as a director of the Company of each director, as well as a summary of each director’s experience, qualifications and background.

Director Since: 2016

Age: 68

Board Committees

•Audit Committee

Other Public Directorships

(past five years)

•Automatic Data Processing, Inc.
(since 2015)

Peter E. Bisson

Independent Director

Mr. Bisson brings to the Board more than 30 years of experience advising global technology companies. His expertise spans M&A, transformation programs design and execution, marketing and technology development. With deep knowledge of tech operations and long-term strategic planning, Mr. Bisson is well equipped to oversee Gartner’s strategic growth initiatives, particularly those driven by emerging technology capabilities and evolving client expectations.

Professional Skills & Experience Supporting Board Nomination

• As a senior advisor and a member of the Portfolio Committee at Brighton Park Capital (since 2019), a growth equity investment firm focused on software, healthcare and technology enabled services, Mr. Bisson brings extensive experience in strategic investing, identifying growth opportunities and advising on capital allocation strategies.

• Over his more than three decades with McKinsey & Company, where he most recently served as Director and Global Leader of the High-Tech Practice, Mr. Bisson guided multiple global public companies through development and execution of transformation strategies, with deep experience in IT infrastructure, operational efficiency initiatives, M&A, marketing, data architecture and enterprise technology strategies.

• Mr. Bisson oversaw McKinsey’s business development while serving as Chair of the firm’s knowledge committee, identifying business priorities and thought leadership opportunities, and guiding investment, marketing and communication strategies. Mr. Bisson also served as a member of the firm’s Shareholders Committee and leader of the firm’s strategy and telecommunications practices.

Professional Skills & Experience Supporting Board Nomination



			2026 Proxy Statement			2



The Board of Directors

Director Since: 2026

Age: 67

Board Committees

•Audit Committee

Other Public Directorships

(past five years)

•Omnicell, Inc.
(since 2021)

•Corebridge Financial, Inc.
(since 2024)

•Azenta, Inc.
(2024-2025)

Edward P. Bousa

Independent Director

Mr. Bousa brings to the Board more than three decades of experience in senior leadership roles in the mutual fund industry as an investment professional. His experience spans financial analysis, risk management and business and capital strategy. With his extensive background and experience of working with financial institutions through the capital markets, Mr. Bousa is well positioned to support the oversight of the Company’s financial performance and long-term strategic planning.

Mr. Bousa has significant financial and accounting experience and qualifies as an Audit Committee financial expert.

Professional Skills & Experience Supporting Board Nomination

• Mr. Bousa was most recently Partner and Team Leader of Quality Value Equity Investment Strategies at Wellington Management Company LLC, a leading global investment management firm, from 2005 until his retirement in June 2020, after initially joining the firm in 2000. In this role, he led a global investment team as the team’s equity assets under management grew from $20 billion in 2003 to $90 billion prior to his retirement.

• Earlier in his career, Mr. Bousa served as a vice president and portfolio manager at Putnam Investments, LLC from 1992 to 2000, and as an equity research analyst and portfolio manager at Fidelity Investments, Inc. from 1983 to 1992. Mr. Bousa began his career as a commodity merchant at Louis Dreyfus Corporation from 1980 to 1982.

• Mr. Bousa has served as a director of Omnicell, Inc., a leading provider of an integrated suite of clinical infrastructure and workflow automation since July 2021. He has also served as a director of Corebridge Financial, Inc., one of the largest providers of retirement solutions and insurance products in the United States since August 2024. Mr. Bousa previously served as a director of Azenta, Inc., a leading global provider of biological and chemical compound sample exploration and management solutions for the life sciences industry, from January 2024 until January 2025.



			2026 Proxy Statement			3



The Board of Directors

Director Since: 2006

Age: 68

Board Committees

•Audit Committee

Other Public Directorships

(past five years)

•iHeartMedia, Inc.
(since 2007)

Richard J. Bressler

Independent Director

Mr. Bressler contributes to the Board with over three decades of leadership experience overseeing strategic, financial, business development and technology functions at large U.S. public companies. His senior financial leadership roles bring profound financial, accounting, capital markets and professional expertise to the Board and its Audit Committee. Mr. Bressler qualifies as an Audit Committee Financial Expert, due to his extensive financial and operational roles at large U.S. public companies.

Professional Skills & Experience Supporting Board Nomination

• Mr. Bressler is President, Chief Operating Officer of iHeartMedia, Inc., and CEO, Multiplatform Group, a mass media company.1 He previously served as Chief Financial Officer until January 2026. Among other things, he oversaw strategic M&A, including iHeartMedia’s recent acquisitions of Triton Digital and Voxnest, which bolstered the company’s digital capabilities.

• Prior to joining iHeartMedia, Inc., he served as Managing Director at Thomas H. Lee Partners. Mr. Bressler is a former director of The Nielsen Company B.V. and Warner Music Group Corp.

• Mr. Bressler has held multiple Chief Financial Officer roles, including at Clear Channel Outdoor Holdings, Inc., Viacom Inc., and Time Warner Inc. and was previously a partner at the accounting firm Ernst & Young, where he built a strong foundation in financial reporting, compliance, strategic planning and corporate governance.

1iHeartMedia, Inc. filed for bankruptcy protection under Chapter 11 of the U.S. Bankruptcy Code in March 2018 and emerged from bankruptcy in May 2019.

Director Since: 2012

Age: 78

Board Committees

•Compensation Committee

Other Public Directorships

(past five years)

•None

Raul E. Cesan

Independent Director

Mr. Cesan is an experienced executive with over 30 years of experience in operations, business development, and finance. His background in strategic planning and managing businesses on a global scale contributes to his expertise in navigating regulatory and geopolitical shifts and providing important insights into Gartner’s international business operations. Mr. Cesan also contributes to the Board with valuable governance oversight developed through his extensive public board experience.

Professional Skills & Experience Supporting Board Nomination

• As President and Chief Operating Officer of Schering-Plough Corporation, where he spent 25 years, Mr. Cesan gained significant experience managing global operations during a period of significant growth.

• Through his executive leadership positions, he has established a strong track record overseeing R&D and global market strategy across regions such as Latin America, Europe, the Middle East, Asia, Australia and Africa, and expanding client relations and service offerings to support the company’s global expansion.

• Mr. Cesan acquired extensive governance and strategic oversight expertise through his public board service at First Health Group Corp. and The New York Times Company, and as Founder and Managing Director of Commercial Worldwide LLC (since 2001).



			2026 Proxy Statement			4



The Board of Directors

Director Since: 2023

Age: 67

Board Committees

•Governance/Nominating Committee

Other Public Directorships

(past five years)

•Atlassian Corporation
(since 2025)

•Arm Holding PLC
(since 2022)

•VMware, Inc.
(2016-2023)

Karen Dykstra

Lead Independent Director

Ms. Dykstra brings to the Board insights into emerging market trends, risk oversight, financial strategy and technology-driven corporate transformation initiatives from over three decades of serving in operational and financial leadership roles with global services and technology companies. Her success in scaling large enterprises through strategic acquisitions, investment strategies and adoption of new business models enable her to advise companies on positioning their brands to capitalize on technological shifts while delivering sustained growth.

Ms. Dykstra previously served on Gartner’s Board from 2007 to June 2023. She resigned in June 2023 to focus on her role as Chief Financial Officer and Executive Vice President of VMware, a position she held until November 2023 (following the closing of Broadcom Inc.’s acquisition of VMware), rejoining Gartner’s Board in December 2023.

Professional Skills & Experience Supporting Board Nomination

• As the Chief Financial Officer of VMware, a cloud computing and virtualization technology company, Ms. Dykstra played a key role in guiding the cloud computing solutions provider through its pre-acquisition transition period, culminating in the successful completion of its $61 billion sale to Broadcom, Inc., demonstrating exceptional expertise in navigating complex, multi-jurisdictional transaction approvals and regulatory challenges.

• During her tenure as Chief Financial Officer and Chief Administrative Officer at AOL, Ms. Dykstra led strategic acquisition initiatives that helped transform the company into a diversified digital media company, and played a key role in positioning AOL for its $4.4 billion acquisition by Verizon and enabling Verizon’s expansion into online media and advertising.

• Before joining AOL, Ms. Dykstra served as a partner of Plainfield Asset Management LLC. Prior to that, she spent 25 years at Automatic Data Processing, Inc. in financial leadership positions, eventually serving as the company’s Chief Financial Officer. Ms. Dykstra also previously held directorships at AOL, Plainfield Asset Management LLC and Boston Properties.



			2026 Proxy Statement			5



The Board of Directors

Director Since: 2021

Age: 63

Board Committees

•Governance/Nominating Committee (Chair)

Other Public Directorships

(past five years)

•Mattel, Inc.
(since 2020)

•Sally Beauty Holdings, Inc.
(since 2019)

•Invacare Corp.
(2018-2022)

•Frontier Communications Corporation
(2014-2021)

Diana S. Ferguson

Independent Director

Ms. Ferguson is a seasoned executive who brings to the Board a proven track record of strategic planning and transaction execution. Having served as Chief Financial Officer across multiple industries, she brings an intrinsic understanding of driving operational improvements to enhance shareholder value. Ms. Ferguson’s strong financial background equips her with the experience needed to oversee Gartner’s market and customer expansion strategy.

Professional Skills & Experience Supporting Board Nomination

• Throughout her senior leadership roles with investment firms, including Scarlett Investments LLC, where she serves as Founder and Principal (since 2013), and as former Chief Financial Officer of Cleveland Avenue, a venture capital investment company, Ms. Ferguson has overseen and executed a wide range of financial transactions, including equity and debt financing, that support corporate growth projects and drive operational improvements.

• Ms. Ferguson previously served as Chief Financial Officer at the Folgers Coffee Company and at Merisant Worldwide, affording her a comprehensive understanding of in-depth financial planning, accounting and reporting.

• Ms. Ferguson leverages her experience to advise corporate boards on acquisitions and divestitures, in order to streamline operations and facilitate growth. In addition, her present and past service on several public boards gives her valuable knowledge and perspective into best practices and corporate strategy.



			2026 Proxy Statement			6



The Board of Directors

Director Since: 1999

Age: 79

Board Committees

•Compensation Committee

•Governance/Nominating Committee

Other Public Directorships

(past five years)

•Pitney Bowes
(2005-2022)

Anne Sutherland Fuchs

Independent Director

Ms. Fuchs brings extensive executive management, content and branding skills, along with a strong record of implementing transformational operational and marketing initiatives for Fortune 500 companies. She has successfully guided companies through market and industry changes by establishing customer-focused product development strategies, growing sales revenue and advancing digital solutions. Her deep understanding of Gartner’s operations and growth strategy adds significant value to the Board.

Professional Skills & Experience Supporting Board Nomination

• As Group President for Growth Brands Division and Digital Ventures at J.C. Penney Company, Ms. Fuchs led strategy and P&L for two digital retail sites, driving sales and revenue growth through digital innovation.

• During her tenure as Senior Vice President at Hearst Magazines, she played a key role in developing and executing growth strategies that were instrumental in doubling the group's profits. Ms. Fuchs oversaw six major global publications, supported by innovative marketing initiatives. She also held executive leadership roles at leading publishing companies, including Condé Nast, Hachette and CBS.

• Ms. Fuchs possesses strong business acumen, having served as a consultant to companies on digital initiatives and during her senior executive positions at LVMH Moët Hennessy Louis Vuitton and Phillips de Pury & Luxembourg. She also served as Chair of the Commission on Women’s Issues for New York City during the Bloomberg Administration.

Director Since: 1993

Age: 87

Board Committees

•Governance/Nominating Committee

Other Public Directorships

(past five years)

•Lenovo Group Limited
(2006 – 2025)

•QTS Realty Trust Inc
(2013 – 2021)

William O. Grabe

Independent Director

Mr. Grabe is a highly accomplished executive with a deep understanding of Gartner’s strategy and corporate culture, as well as expertise in sales, marketing, international operations and emerging technologies. His executive leadership roles and board experience at public companies enable him to contribute to the Board with his strategic guidance on transformation strategies, contributing to the Board’s oversight of the Company’s value creation strategy.

Professional Skills & Experience Supporting Board Nomination

• Mr. Grabe brings over 30 years of experience at International Business Machines Corporation (IBM), where he played a key role in driving global growth strategies while overseeing marketing initiatives for the company’s entire software services portfolio in the U.S. and globally. He was instrumental in the launch of the AS400 computer system and served as a founding board member of the Integrated Systems Solutions Corp (now IBM Global Services), contributing to a pivotal development in IBM’s systems integration service offerings to businesses and governments.

• Mr. Grabe has deep global leadership experience, having led the international expansion of General Atlantic LLC across markets including Europe, India and China during his tenure. He joined the firm in 1992 as a Managing Partner (and later served as an Advisory Director), where he was a founding member of its technology business.

• Mr. Grabe is currently a trustee of the Nature Conservancy in Florida and the NYU Entrepreneurial Institute. He is also a member of the Board of Grand Canyon Trust and the UCLA Anderson School of Management Board of Visitors. In addition to his more recent board roles, Mr. Grabe is a former director of Infotech Enterprises Limited, Compuware Corporation, and Patni Computer Systems Ltd. (now known as iGate Computer Systems Limited).



			2026 Proxy Statement			7



The Board of Directors

Director Since: 2023

Age: 64

Board Committees

•Audit Committee (Chair)

Other Public Directorships

(past five years)

•Adient PLC
(since 2019)

•Denny’s Corp
(2013 - 2026)

José M. Gutiérrez

Independent Director

Mr. Gutiérrez brings extensive experience across a diverse range of industries at both the executive and board levels, with particular strength in the technology sector. His senior leadership roles at a leading telecommunications company have shaped his expertise in corporate strategy. Mr. Gutiérrez has led enterprise-wide transformational initiatives and leverages his technological expertise to contribute to the Board’s deliberations on strategic growth and innovation.

Mr. Gutiérrez has significant financial and accounting experience and qualifies as an Audit Committee financial expert.

Professional Skills & Experience Supporting Board Nomination

• Mr. Gutiérrez spent 25 years at AT&T Inc., where he held several senior executive positions including President and/or CEO of five business units ranging from $5B to $25B in revenue. Through these roles, he acquired extensive experience in financial strategy, P&L management, global operations and evolving business strategies to reflect evolving customer expectations.

• As CEO of AT&T Southwestern Bell, President of AT&T Global Enterprise and President of AT&T Wholesale Solutions, he led major infrastructure investments to support industry shifts and digital transformation, playing a key role in advancing AT&T’s $20 billion annual investment to expand its wireless network coverage to 300 million people and wireline network capabilities around the world.

• Mr. Gutiérrez has experience overseeing the execution of major corporate projects, identifying growth opportunities and ensuring the successful implementation of key strategic objectives, including as a director at Dr. Pepper Snapple Group during its $11 billion merger with JAB’s Keurig, and a director at Denny’s Corporation during its $620 million sale to TriArtisan Capital Advisors LLC, Treville Capital Group and Yadav Enterprises, Inc.



			2026 Proxy Statement			8



The Board of Directors

Director Since: 2004

Age: 69

Board Committees

•None

Other Public Directorships

(past five years)

•None

Eugene A. Hall

Chairman of the Board and Chief Executive Officer

Mr. Hall is a seasoned executive who has served as Gartner’s Chief Executive Officer since August 2004 and Chairman of the Board since July 2024. With a proven ability to oversee corporate growth strategy and shareholder value creation, Mr. Hall has played a critical role in transforming Gartner from an IT research firm to a global company that delivers actionable, objective business and technology insights. Mr. Hall’s operational and strategic insights into our business enable him to advise the Board on Gartner’s capital allocation, core competitive strengths, growth opportunities and innovation.

Professional Skills & Experience Supporting Board Nomination

• Mr. Hall provides a deep understanding of Gartner’s corporate culture and competitive market environment and a strong track record of delivering significant returns to shareholders. Under his leadership, Gartner has successfully completed the integration of more than 17 acquisitions and strengthened its market position and operational excellence.

• Mr. Hall has leveraged his deep industry experience to oversee the development and expansion of innovative tools and client solutions, which has supported Gartner’s long-term growth strategy.

• Mr. Hall brings proven insights into unlocking transformation growth opportunities amid major market shifts. Earlier in his career, when holding several leadership positions at McKinsey & Company, most recently as director, he advised clients across the electronics, telecommunications and financial services sectors on turnaround strategies. He later served as a senior executive at Automatic Data Processing, Inc., most recently as President of Employers Services Major Accounts Division, where he helped lead the integration of software innovation solutions.



			2026 Proxy Statement			9



The Board of Directors

Director Since: 2010

Age: 71

Board Committees

•Compensation Committee

Other Public Directorships

(past five years)

•Coherent Corp
(f.k.a. II-VI Incorporated)
(since 2021)

•Norwegian Cruise Line Holdings Ltd.

(since 2026)

Stephen G. Pagliuca

Independent Director

Mr. Pagliuca brings to the Board over three decades of senior leadership experience and deep expertise in corporate strategy and operations. He possesses extensive knowledge of Gartner’s business model evolution and the global information technology industry, along with his strong financial expertise. His background in investing and consulting enables him to provide valuable insights to the Board in evaluating and guiding long-term growth.

Professional Skills & Experience Supporting Board Nomination

• Mr. Pagliuca brings significant expertise in capital markets, currently serving as Senior Advisor (since 2023) and former Managing Director of Bain Capital Private Equity, LP, a global private equity firm, where he provided strategic guidance to portfolio companies across a broad range of industries. Mr. Pagliuca has played a critical role in Bain Capital’s development. Through serving as Co-Chairman and founding the Information Partners private equity fund, Mr. Pagliuca championed the efforts that led to Bain Capital’s position as a leading investment firm with over $75 billion in assets under management.

• Mr. Pagliuca is currently the principal owner and Co-Chairman of Atalanta, the Serie A football club based in Bergamasca, Italy, and former Co-Owner and Managing General Partner of the Boston Celtics.

• In addition to his public company directorships, he currently serves on the board of directors of Virgin Voyages. Mr. Pagliuca is also a former director of Kioxia Holdings Corporation, Burger King Holdings, Inc., HCA Healthcare, Inc., Quintiles Transnational Corporation, Warner Chilcott PLC, the Weather Company, and Axis Bank, Ltd. Mr. Pagliuca previously served on Gartner, Inc.’s Board from 1990 to 2009 but resigned to enter the U.S. Senate race for Massachusetts. He rejoined the Board in 2010.

Director Since: 2026

Age: 62

Board Committees

•Governance/Nominating Committee

Other Public Directorships

(past five years)

•Symbotic Inc.
(since 2023)

Daniela L. Rus

Independent Director

Professor Rus brings to the Board more than three decades of experience in senior academic and research roles in the fields of computer science, robotics, machine learning, and artificial intelligence. With her extensive research experience and industry-leading expertise in robotics, artificial intelligence and data science, Professor Rus is well-positioned to contribute to the Board’s deliberations on long-term strategic planning, particularly in the artificial intelligence space.

Professional Skills & Experience Supporting Board Nomination

• Professor Rus has served as a professor at the Massachusetts Institute of Technology (MIT) since 2004, where she currently holds several positions, including as the MIT Panasonic Professor of Electrical Engineering and Computer Science, since 2025, and as Director of the Computer Science and Artificial Intelligence Laboratory, since 2025. From 2019 to 2022, Professor Rus served as Deputy Dean of Research for the Schwarzman College of Computing at MIT.

• Earlier in her career, Professor Rus served as a professor in the Computer Science Department at Dartmouth College, from 1994 to 2004.

• Professor Rus is a MacArthur Fellow, as well as a member of National Academy of Engineering and the National Academy of Sciences. She has served as a director of Symbotic Inc., a public technology company offering robotics and software solutions for warehouse automation, since March 2023.



			2026 Proxy Statement			10



The Board of Directors

Director Since: 2017

Age: 71

Board Committees

•Compensation Committee (Chair)

Other Public Directorships

(past five years)

•Capital One Financial Corp
(since 2020)

•Boxed, Inc.
(2021-2023)

•Seven Oaks Acquisition Corp
(2020-2021)

Eileen M. Serra

Independent Director

Ms. Serra brings extensive operational and management experience, having held senior positions at leading global companies. She has a proven track record of scaling operations, driving strategic growth and leading high-impact marketing initiatives. Her ability to navigate complex market dynamics enables her to provide valuable guidance to our Board.

Professional Skills & Experience Supporting Board Nomination

• Before retiring in 2018, Ms. Serra was a Senior Advisor at JPMorgan Chase & Co., focusing on strategic growth initiatives across Chase Consumer and Community Banking. She also served as Chief Executive Officer of Chase Card Services, and prior thereto, held leadership roles on the Card Executive Leadership Team, with a focus on identifying strategic growth initiatives across Chase Consumer and Community Banking businesses.

• Before joining Chase Card Services, Ms. Serra was a Managing Director and Head of Private Client Banking Solutions at Merrill Lynch and worked at American Express, where she launched and operated the credit card and lending businesses within the Small Business Division and led Strategy and Business Development.

• Earlier in her career, Ms. Serra was a Partner at McKinsey & Company, where she advised clients across industries on strategic planning and business development, which equipped her with deep insights into leading large, complex initiatives to drive growth and transformation.



			2026 Proxy Statement			11



The Board of Directors

Director Skills, Experience and Expertise

The matrix below summarizes what our Board believes are desirable types of experience, qualifications, attributes and skills possessed by one or more of Gartner’s directors because of their particular relevance to the Company’s business and structure. The following matrix does not encompass all the experience, qualifications, attributes or skills of our directors.

Bisson

Bousa

Bressler

Cesan

Dykstra

Ferguson

Fuchs

Grabe

Gutiérrez

Hall

Pagliuca

Rus

Serra

Total

Industry Experience

✓

SEC Form DEF 14A filed by Gartner Inc.