REVOCATION AND APPOINTMENT OF POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby revokes and rescinds
the Power of Attorney dated February 20, 2011, which appointed Leigh Ann K.
Epperson and Cynthia L. Hageman as attorneys-in-fact, for purposes of
completing, executing and filing any applicable Forms 3, 4, 5 or 144 as
further set out in that Power of Attorney.

Know all by these presents, that the undersigned hereby constitutes and
appoints Cynthia L. Hageman and Kristen Rafael-Githens as the undersigned's
true and lawful attorney-in-fact to:

(1)  execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and/or director of Alliance Data Systems Corporation
(the "Company"), any filing in connection with the undersigned's holdings
of or transactions in securities issued by the Company, including but not
limited to, Forms 3, 4 or 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934, as amended, and the rules thereunder, or
Form 144 in accordance with Rule 144 of the Securities Act of 1933, as
amended, and the rules thereunder;

(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,
including but not limited to, Forms 3, 4, 5 or 144, and timely file such
form with the United States Securities and Exchange Commission and any
stock exchange or similar authority; and

(3)  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 is the Company assuming,
any of the undersigned's responsibilities to comply with the Securities
Exchange Act of 1934, as amended, or the Securities Act of 1933, 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, 5, or 144, or any
other form 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 8th day of June, 2016.


/s/ Laura Santillan
Printed Name:   Laura Santillan