Exhibit 24

POWER OF ATTORNEY
 
     Know all by these presents, that the undersigned hereby constitutes and appoints each of Leonard I. Chubinsky
and Ram D. Wertheim, signing singly, 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
MBIA Inc. (the "Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934
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 3, 4, or 5, complete and execute any amendment or amendments thereto, 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 Section 16 of the Securities Exchange Act of 1934.

     This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3,
4, and 5 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 15th day of
June, 2004.


  /s/ CLIFFORD D. CORSO                          
Signature                         

Clifford D. Corso                                    
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