Exhibit 24

                                POWER OF ATTORNEY

        Know all by these presents that Paul J. Taubman, signing singly, does
hereby make, constitute and appoint each of James Cuminale and Helen Meates, 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 PJT Partners Inc. (i) 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) and
(ii) in connection with any applications for EDGAR access codes, including
without limitation the Form ID. 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 PJT Partners
Inc., unless earlier revoked in writing. The undersigned acknowledges that each
of James Cuminale and Helen Meates is not assuming any of the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange Act of
1934.

                                        Name: Paul J. Taubman
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                                        /s/ Paul J. Taubman
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                                        Signature

Date:   9/16/15
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