EXHIBIT 24
                           LIMITED POWER OF ATTORNEY

          Know all by these presents, that the undersigned hereby makes,
constitutes and appoints Mark Rogers, Vincent Pecora and Richard D. Rosen (any
of whom may act individually) as the true and lawful attorney-in-fact of the
undersigned, with full power and authority as hereinafter described on behalf of
and in the name, place and stead of the undersigned to:

(1)       prepare, execute, acknowledge, deliver and file Forms 3, 4, and 5
(including any amendments thereto) and any Schedule 13D (including any
amendments thereto) with respect to the securities of Amkor Technology, Inc., a
Delaware corporation (the "Company"), with the United States Securities and
Exchange Commission, any national securities exchanges and the Company, as
considered necessary or advisable under Section 16(a) of the Securities Exchange
Act of 1934 and the rules and regulations promulgated thereunder, as amended
from time to time (the "Exchange Act"), including obtaining any filing codes or
reissuance of existing filing codes, if necessary, in connection therewith;

(2)       seek or obtain, as the representative of the undersigned and on behalf
of the undersigned, information on 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;

(3)       perform any and all other acts which in the discretion of such
attorney-in-fact are necessary or desirable for and on behalf of the undersigned
in connection with the foregoing; and

    The undersigned acknowledges that:

(1)       this Power of Attorney authorizes, but does not require, such
attorney-in-fact to act in their discretion on information provided to such
attorney-in-fact without independent verification of such information;

(2)       any documents prepared and/or executed by such attorney-in-fact on
behalf of the undersigned pursuant to this Power of Attorney will be in such
form and will contain such information and disclosure as such attorney-in-fact,
in his discretion, deems necessary or desirable;

(3)       neither the Company nor such attorney-in-fact assumes (i) any
liability for the undersigned's responsibility to comply with the requirements
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;

(4)       this Power of Attorney does not relieve the undersigned from
responsibility for compliance with the undersigned's obligations under the
Exchange Act, including without limitation the reporting requirements under
Section 16 of the Exchange Act; and

(5)       this Power of Attorney supersedes and replaces any prior power of
attorney executed by the undersigned for any of the purposes set forth herein.

          Although this Power of Attorney supersedes and replaces any prior
power of attorney executed by the undersigned for any of the purposes set forth
herein, the undersigned hereby ratifies and approves of any actions taken
pursuant to any prior power of attorney for any of the purposes set forth
herein, including without limitation the granting thereof by the undersigned.
The undersigned hereby gives and grants the foregoing attorney-in-fact full
power and authority to do and perform all and every act and thing whatsoever
requisite, necessary or appropriate to be done in and about the foregoing
matters as fully to all intents and purposes as the undersigned might or could
do if present, hereby ratifying all that such attorney-in-fact shall lawfully do
or cause to be done of, for and on behalf of the undersigned by virtue of this
Power of Attorney.

           This Power of Attorney shall remain in full force and effect until
revoked by the undersigned in a signed writing delivered to the attorney-in-
fact.

    IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of the 13th day of December, 2021.

                                                    SUSINS, LLC

                                              By: /s/ John T. Kim
                                                  ----------------------------
                                                      John T. Kim, Manager

Sworn to before me by JOHN T. KIM, Manager of Susins, LLC, who is personally
known to me (or satisfactorily proven) this 21st day of December, 2021.

                                                  /s/ Nichole Mousaw
                                                  ----------------------------
                                                        Notary Public

  (Notarial Seal)


                                                    SUSINS, LLC

                                              By: /s/ Liam E. Blaney
                                                  ----------------------------
                                                      Liam E. Blaney, Manager

Sworn to before me by LIAM E. BLANEY, Manager of Susins, LLC, who is personally
known to me (or satisfactorily proven) this 21st day of December, 2021.

                                                  /s/ Lauren Oswald
                                                  ----------------------------
                                                        Notary Public

  (Notarial Seal)