C:
EXHIBIT 32.1
CERTIFICATION
PURSUANT TO
SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED
STATES CODE,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
Pursuant to Section 1350, Chapter 63 of Title 18,
United States Code, as adopted pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002, the undersigned, as Chief
Executive Officer of Forrester Research, Inc. (the
“Company”), does hereby certify that to the
undersigned’s knowledge:
1)
the Company’s Annual Report on
Form 10-K
for the year ended
December 31, 2008 fully complies with
the requirements of Section 13(a) or 15(d) of the
Securities Exchange Act of 1934; and
2) the information contained in
the Company’s Annual
Report on Form
10-K for the
year ended
December 31, 2008 fairly presents, in all
material respects, the financial condition and results of
operations of
the Company.
George F. Colony
Chairman of the Board of Directors and
Chief Executive Officer
