Exhibit 24
			      POWER OF ATTORNEY

Know all by these presents that Anthony F. Marone, Jr., does hereby make,
constitute and appoint each of Stephen D. Plavin and Randall S. Rothschild or
any one of them, as a true and lawful attorney-in-fact of the undersigned with
full powers of substitution and revocation, for and in the name, place and stead
of the undersigned (in the undersigned's individual capacity), to execute and
deliver such forms that the undersigned may be required to file with the U.S.
Securities and Exchange Commission as a result of the undersigned's ownership of
or transactions in securities of Blackstone Mortgage Trust, Inc. pursuant to
Section 16(a) of the Securities Exchange Act of 1934, as amended, including
without limitation, statements on Form 3, Form 4 and Form 5 (including any
amendments thereto). The Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4, and 5 with
regard to his ownership of or transactions in securities of Blackstone Mortgage
Trust, Inc., unless earlier revoked in writing. The undersigned acknowledges
that Stephen D. Plavin and Randall S. Rothschild are not assuming any of the
undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.

				By:  /s/ Anthony F. Marone, Jr.
                                     ----------------------------
                                     Anthony F. Marone, Jr.

                                Date: September 24, 2013