POWER OF ATTORNEY

        KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Robert P. Stiller and Frances G. Rathke, and each of them acting
singly, the undersigned's true and lawful attorney-in-fact to: (i) execute for
and on behalf of the undersigned Form 144s in respect of Shares of Common Stock
("Common Stock") of Green Mountain Coffee Roasters, Inc. (the "Company") in
accordance with Rule 144 promulgated under the Securities Act of 1933 and, in
the undersigned's capacity as a director of the Company, Forms 3, 4 and 5,
including but not limited to any amendments thereto, in accordance with Section
16(a) of the Securities and Exchange Act of 1934 and the rules thereunder; (ii)
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 144, 3, 4 and 5
and timely file such form with the United States Securities and Exchange
Commission and any stock exchange or similar authority, including the NASDAQ
Stock Market LLC; and (iii) take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of the 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 the
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 the
attorney-in-fact may approve in the attorney-in-fact's discretion.

        The undersigned hereby grants to the 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 the 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 attorney-in-fact, in serving in such capacity at the request
of the undersigned, is not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with the Securities Act of 1933 or the
rules promulgated thereunder, including Rule 144 or the Securities and Exchange
Act of 1934 or the rules promulgated thereunder.

        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 attorney-in-fact.

        IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney
effective as of the 4th day of April, 2007.


                                        /s/ Michael J. Mardy
                                        --------------------
                                        Michael J. Mardy