POWER OF ATTORNEY

       The undersigned, as a Section 16 reporting person of Oric
Pharmaceuticals, Inc. (the "Company"), hereby constitutes and appoints Jacob
Chacko, Dominic Piscitelli, and Christian Kuhlen, and each of them, as the
undersigned's true and lawful attorney-in-fact to:

     1.     prepare, execute in the undersigned's name and on the undersigned's
            behalf, and submit to the Securities and Exchange Commission
            (the "SEC") a Form ID, including amendments thereto, and any other
            documents necessary or appropriate to obtain EDGAR codes and
            passwords enabling the undersigned to make electronic filings with
            the SEC of reports required by Section 16(a) of the Securities
            Exchange Act of 1934 or any rule or regulation of the SEC;

     2.     complete and execute Forms 3, 4 and 5 and other forms and all
            amendments thereto as such attorney-in-fact shall in his discretion
            determine to be required or advisable pursuant to Section 16 of the
            Securities Exchange Act of 1934 (as amended) and the rules and
            regulations promulgated thereunder, or any successor laws and
            regulations, as a consequence of the undersigned's ownership,
            acquisition or disposition of securities of the Company; and

     3.     do all acts necessary in order to file such forms with the SEC, any
            securities exchange or national association, the Company and such
            other person or agency as the attorneys-in-fact shall deem
            appropriate.

       The undersigned hereby ratifies and confirms all that said
attorneys in-fact and agents shall do or cause to be done by virtue hereof.  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 Securities Exchange
Act of 1934 (as amended).

       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
Company and the foregoing attorneys-in-fact.

       IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 29th day of April, 2021.


                                   Signature:  /s/ Richard A. Heyman
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                                   Print Name:  Richard A. Heyman
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