POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby
constitutes 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 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, I 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 17th day of January, 2014.


       /s/Thomas Senderovitz
       	Signature


       	Thomas Senderovitz
       	Print Name