Exhibit 24

                               POWER OF ATTORNEY

        Know all by these presents that Helen T. Meates, signing singly, does
hereby make, constitute and appoint each of James Cuminale and Ji-Yeun Lee, 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 Ji-Yeun Lee is not assuming any of the
undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.

                                        Name: Helen Meates
                                              ---------------------------------

                                        /s/ Helen Meates
                                        ---------------------------------------
                                        Signature

Date:   9/14/15
      --------------