Unassociated Document

LIMITED
        POWER OF ATTORNEY

FOR
        EXECUTING FORMS 3, 4 AND 5

THE
        COMMONWEALTH OF MASSACHUSETTS

MIDDLESEX
        COUNTY

I,
        John
        C. Geist of
        20 Chadbourne Drive, Danville, CA 94506 hereby appoint Kathleen
        H. Wade of
        The Boston Beer Company, Inc. (the "Company"), 75 Arlington Street, Boston,
        MA
        02116, Helen
        F. Bornemann of
        the Company,
        or each of them acting singly and with full power of substitution, my true
        and
        lawful attorneys in fact (collectively and individually referred to herein
        as my
        "Attorney") for me and in my name to execute and file with the Securities
        and
        Exchange Commission on my behalf and at my instruction, Forms 3, 4 and 5
        relating to transactions by me in the stock of the Company and affirm that
        which
        my Attorney shall lawfully do or cause to be done by virtue of the powers
        herein
        conferred.

THIS
        Power of Attorney shall remain in full force and effect for so long as I
        have
        not expressly in writing to my Attorney withdrawn the powers herein conferred.
        

THIS
        Power of Attorney shall not be affected by my subsequent disability or
        incapacity.

EXECUTED
        as a sealed instrument this 19th day of March, 2007.

	/s/ John C. Geist
	John C. Geist

THE
        COMMONWEALTH OF MASSACHESSTS

Suffolk County, ss.		March 19	, 2007

Then
        personally appeared the above-named John C. Geist and acknowledged the foregoing
        instrument to be his free act and deed, before me.

	/s/ Kathleen H. Wade
	Notary Public
	My Commission Expires:

	[SEAL OMITTED]
	KATHLEEN H. WADE
	Notary Public
	Commonwealth of Massachusetts
	My Commission Expires
	May 14, 2010