LIMITED POWER OF ATTORNEY
FOR SECTION 16(a) REPORTING

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned hereby makes, constitutes
and appoints each of Lindsay L. Hoopes, G. Michael Bridge, and Matthew M. Holman as the
undersigned's true and lawful attorney-in-fact (the "Attorney-in Fact"), with full power
of substitution and resubstitution, each with the power to act alone for the undersigned
and in the undersigned's name, place and stead, in any and all capacities to:

1.  prepare, execute, deliver and file with the United States Securities and
Exchange Commission, any national securities exchange and JDA Software Group, Inc.
(the "Company") any and all reports (including any amendment thereto) of the undersigned
required or considered advisable under Section 16(a) of the Securities Exchange Act
of 1934, as amended (the "Exchange Act"), and the rules and regulations thereunder,
with respect to the equity securities of the Company, including Form 3 (Initial
Statement of Beneficial Ownership of Securities), Form 4 (Statement of Changes in
Beneficial Ownership), and Form 5 (Annual Statement of Changes in Beneficial
Ownership); and

2.  seek or obtain, as the undersigned's representative and on the undersigned's behalf,
information on transactions in the Company's equity securities from any third party,
including the Company, brokers, dealers, employee benefit plan administrators and
trustees, and the undersigned hereby authorizes any such third party to release any
such information to the Attorney-in-Fact.

The undersigned acknowledges that:

1.  this Limited Power of Attorney authorizes, but does not require, the
Attorney-in-Fact to act at his or her discretion on information provided to such
Attorney-in-Fact without independent verification of such information;

2.  any documents prepared and/or executed by the Attorney-in-Fact on
behalf of the undersigned pursuant to this Limited Power of Attorney will be in such
form and will contain such information as the Attorney-in-Fact, in his or her discretion,
deems necessary or desirable;

3.  neither the Company nor the Attorney-in-Fact assumes any liability for
the undersigned's responsibility to comply with the requirements of Section 16 of the
Exchange Act, any liability of the undersigned for any failure to comply with such
requirements, or any liability of the undersigned for disgorgement of profits under
Section 16(b) of the Exchange Act; and

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

The undersigned hereby grants to the Attorney-in-Fact full power and authority
to do and perform each and every act and thing requisite, necessary or convenient to be
done in connection with the foregoing, as fully, to all intents and purposes, as the
undersigned might or could do in person, hereby ratifying and confirming all that the
Attorney-in-Fact, or his or her substitute or substitutes, shall lawfully do or cause
to be done by authority of this Limited Power of Attorney.

This Limited Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 or 5 with respect to the
undersigned's holdings of and transactions in equity securities of the Company, unless
earlier revoked by the undersigned in a signed writing delivered to the Attorney-in-Fact.

This Limited Power of Attorney shall be governed and construed in accordance
the laws of the State of California without regard to the laws that might otherwise
govern under applicable principles of conflicts of laws thereof.

IN WITNESS WHEREOF, the undersigned has caused this Limited Power of Attorney
to be executed as of June 28, 2005.




Signature:	/s/ Christopher J. Koziol

Print Name:	Christopher J. Koziol