LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS



The undersigned hereby constitutes and appoints each of Jane Owens, Esq.,
Kyle A. Bettigole, Esq. and Keith Higgins, Esq. as his or her true and
lawful attorneys-in-fact to:

1.	execute for and on behalf of the
undersigned Forms 3, 4 and 5 relating to changes in the undersigned's
beneficial ownership of securities of Sapient Corporation and any necessary
amendments to such forms, in accordance with Section 16(a) of the
Securities Exchange Act of 1934 (as amended, the "1934 Act") and the rules
thereunder, and

2.	do and perform any and all acts for and on behalf
of the undersigned which may be necessary or desirable to complete the
execution of any such Forms 3, 4 or 5 and the timely filing of such forms
with the Securities and Exchange Commission and any other governmental
authority.

The undersigned hereby grants to such attorneys-in-fact
full power and authority to do and perform every act necessary and proper
in the exercise of any of the rights and powers herein granted, as fully as
such attorneys-in-fact could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorneys-in-fact 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 any of
the undersigned's liabilities under Section 16 of the 1934 Act.

This
Power of Attorney shall replace any previous Powers of Attorney signed by
the undersigned with respect to the matters covered above and shall remain
in effect for so long as the undersigned is required to file reports under
Section 16(a) of the 1934 Act with respect to securities of Sapient
Corporation.


	IN WITNESS WHEREOF, the undersigned has caused this
Power of Attorney to be executed as of this 4th day of November, 2005.






/s/ Stephen P. Sarno
Signature




Stephen P. Sarno
Print Name