Gramercy Property Trust 10-Q 2009 Q1 Quarterly report

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Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

        In connection with the Quarterly Report of Gramercy Capital Corp. (the "Company") on Form 10-Q as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Roger M. Cozzi, Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1.

The Report fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and



2.

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ ROGER M. COZZI
Name:  Roger M. Cozzi
Title:    Chief Executive Officer

Date: May 11, 2009

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Exhibit 32.1