EX-24

                                                       Exhibit 24


MBIA Capital/Claymore Managed Duration Investment Grade
                       Municipal Fund

MBIA Capital/Claymore Managed Duration Investment Grade
                 New York Municipal Fund

MBIA Capital/Claymore Managed Duration Investment Grade
                 California Municipal Fund


                        POWER OF ATTORNEY

            Jerry S. Rosenbloom, whose signature appears below, hereby
constitutes and appoints Clifford Corso, Mark Morris and Michael
Jacobson, and each of them, his true and lawful attorneys and agents,
with full power and authority of substitution and resubstitution, to
do any and all acts and things and to execute any and all instruments
which said attorneys and agents, or any of them, may deem necessary or
advisable or which may be required to enable any of the investment
companies listed above (each, a Company) to comply with the
Investment Company Act of 1940, as amended, and the Securities Act of
1933, as amended (collectively, the Acts), and any rules,
regulations or requirements of the Securities and Exchange Commission
in respect thereof, in connection with the filing and effectiveness of
any and all amendments (including post-effective amendments) to a
Companys Registration Statement on Form N-2 and any other
registration statements pursuant to said Acts, including specifically,
but without limiting the generality of the foregoing, the power and
authority to sign in the name and on behalf of the undersigned as a
trustee and/or officer of a Company any and all such amendments and
registration statements filed with the Securities and Exchange
Commission under said Acts, and any other instruments or documents
related thereto, and the undersigned does hereby ratify and confirm
all that said attorneys and agents, or any of them, shall do or cause
to be done by virtue hereof.


                                   /s/  Jerry S. Rosenbloom
                                 ---------------------------------
                                        Jerry S. Rosenbloom

Dated:  July 21, 2003