POWER OF ATTORNEY

POWER OF ATTORNEY


Known by all these presents, that the undersigned hereby
constitutes and appoints each of Bradley A. Haneberg and Robert
B. Harris, 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 Commonwealth Biotechnologies, Inc., a Virginia corporation
(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 aspects for and
on behalf of the undersigned which may be reasonably necessary
or desirable to complete and execute any such Form 3, 4 or 5
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, and in the
best interest of, or legally required by, the undersigned.

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 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 the 28th day of
August, 2003.



/s/ Peter C. Einselen
Peter C. Einselen