POWER OF ATTORNEY

        KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes
and appoints Peter F. Collins, Jeffrey B. Coyne, Ellen Bancroft and Hong Ta, and
each of them, with full authority to act without the others, as the
undersigned's true and lawful attorneys-in-fact to:

        (1)     execute for and on behalf of the undersigned, in the
undersigned's capacity as a reporting person pursuant to Section 16 of the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules
thereunder, of Veritone, Inc., a Delaware corporation (the "Company"), Form ID
and Forms 3, 4 and 5 in accordance with Section 16(a) of the Exchange Act;

        (2)     do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and execute any such
Form ID and Form 3, 4, or 5 and file such form with the United States Securities
and Exchange Commission and any stock exchange or similar authority or
organization; and

        (3)     take any other action of any type whatsoever in connection with
the foregoing which, in the opinion of any of such attorneys-in-fact, may be of
benefit to, in the best interest of, or legally required of, the undersigned, it
being understood that the documents executed by any of such attorneys-in-fact on
behalf of the undersigned, pursuant to this Power of Attorney, shall be in such
form and shall contain such terms and conditions as any of such
attorneys-in-fact may approve in the sole discretion of any of such
attorneys-in-fact.

        The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that any of such
attorneys-in-fact, or the substitute or substitutes of any of such attorneys-in-
fact, shall lawfully do or cause to be done by virtue of this Power of Attorney
and the rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Exchange Act.

        This 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 respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 11th day of May, 2017.


                                        /s/ Chad Steelberg
                                        ---------------------------------------
                                        Chad Steelberg