POWER OF ATTORNEY



The undersigned, Michele J. Hooper, hereby authorizes and designates each of
Thomas L. Strickland, Christopher J. Walsh, and Dannette L. Smith, or either
of them, acting singly with full power of substitution (each, an "attorney-in
-fact"), to sign and file on the undersigned's behalf any Forms 3, 4, 5 or 144
(including any amendments thereto) that the undersigned may be required to
file with the Securities and Exchange Commission as a result of the
undersigned's ownership of or transactions in securities of UnitedHealth
Group Incorporated (the "Company") at any date following date hereof.  The
authority of each attorney in fact under this Power of Attorney will continue
until the undersigned is no longer required to file Forms 3, 4, 5 and 144
with regard to the undersigned's ownership of or transactions in securities
of the Company, unless earlier revoked in writing.  The undersigned hereby
revokes all previous powers of attorney to sign or file on the
undersigned's behalf any Forms 3, 4, 5 or 144 with regard to Company
securities as of the date hereof, except that if the undersigned has
adopted any Rule 10b5-1 trading plan to transact in Company securities,
any powers of attorney the undersigned may have granted under the plan
to sign or file on the undersigned's behalf any Form 144 shall continue
to be in full force and effect in accordance with the terms of the plan.
The undersigned acknowledges that neither the Company nor any attorney-
in-fact are assuming any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934 or Rule 144 under
the Securities Act of 1933.



Date: October 27, 2007			/s/ Michele J. Hooper