Form 3 - Initial statement of beneficial ownership of securities


        LIMITED POWER OF ATTORNEY FOR SECTION 16 REPORTING OBLIGATIONS

       Know all by these presents, that the undersigned hereby makes,
constitutes and appoints Manuel C. Alves Aivado, Susan L. Drexler, Brian Windsor
Ph.D., and Charles Garner, signing singly and each acting individually, as the
undersigned's true and lawful attorney-in-fact with full power and authority as
hereinafter described to:


       (1)  execute for and on behalf of the undersigned, in the undersigned's
 capacity as an officer of Aileron Therapeutics, Inc. (the "Company"), Forms 3,
4, and 5 (including any amendments thereto) in accordance with Section 16(a) of
the Securities Exchange Act of 1934 and the rules thereunder (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 prepare, complete and execute any such
Form 3, 4, or 5, prepare, complete and execute any amendment or amendments
thereto, and timely deliver and file such form with the United States Securities
and Exchange Commission (the "SEC") and any stock exchange or similar authority,
including without limitation the filing of a Form ID, Update Passphrase, or any
other application materials to enable the undersigned to gain or maintain access
to the Electronic Data Gathering, Analysis and Retrieval system of the SEC;

       (3)  seek or obtain, as the undersigned's representative and on the
undersigned's behalf, information regarding transactions in the Company's
securities from any third party, including brokers, employee benefit plan
administrators and trustees, and the undersigned hereby authorizes any such
person to release any such information to such attorney-in-fact and approves and
ratifies any such release of information; and

       (4)  take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-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 such attorney-in-fact may approve in such
attorney-in-fact's discretion.


      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 such attorney-in-fact, or such attorney
-in-fact's substitute or substitutes, 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 relieving,
nor is the Company assuming nor relieving, any of the undersigned's
responsibilities to comply with Section 16 of the Exchange Act. The undersigned
acknowledges that neither the Company nor the foregoing attorneys-in-fact assume
(i) any liability for the undersigned's responsibility to comply with the
requirement of the Exchange Act, (ii) any liability of the undersigned for any
failure to comply with such requirements, or (iii) any obligation or liability
of the undersigned for profit disgorgement under Section 16(b) 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 November 1, 2023.



                                                   /s/ Brian Windsor
                                                  --------------------------
                                                   Signature


                                                    Brian Windsor
                                                   --------------------------
                                                   Print Name
Aileron Therapeutics (NASDAQ:ALRN)
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