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 Capital Trust,  Inc. (the "Company")
on Form  10-Q  for the  period  ending  September  30,  2005 as  filed  with the
Securities and Exchange Commission on the date hereof (the "Report"), I, John R.
Klopp,  Chief Executive Officer of the Company,  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) of the Securities Exchange Act of 1934; and

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


/s/ John R. Klopp
- --------------------
John R. Klopp
Chief Executive Officer
October 31, 2005