Exhibit 31.1
CERTIFICATION
I, Eugene A. Hall, certify that:
(1) | I have reviewed this Annual Report on Form 10-K/A of Gartner, Inc.; and |
(2) | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
/s/ Eugene A. Hall
Eugene A. Hall
Chief Executive Officer
Date: March 6, 2017