POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby
constitutes and appoints each of the Chief Executive
Officer, the General Counsel and the Assistant Secretary
of PAREXEL International Corporation (the "Company"),
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 the Company, Forms 3, 4, and 5 in accordance with
Section 16(a) of the Securities Exchange Act of 1934
and the rules thereunder, and SEC Form ID (or any
electronic successor form/process);

(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 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 24th day of October 2006.

/s/ Christopher J. Lindop
Signature

Christopher J. Lindop
Print Name