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POWER OF ATTORNEY
The undersigned officer of State Street Institutional Investment Trust (the
"Trust") hereby constitutes and appoints Julie A. Tedesco, Esq., and Jennifer S.
Fromm, Esq. each of them with full powers of substitution, as her true and
lawful attorney-in-fact and agent to execute in her name and on her behalf in
any and all capacities the Registration Statements on Form N-1A, and any and all
amendments thereto, and all other documents, filed by the Trust or its
affiliates with the Securities and Exchange Commission (the "SEC"') under the
Investment Company Act of 1940, as amended, and (as applicable) the Securities
Act of 1933, as amended, and any and all instruments which such attorneys and
agents, or any of them, deem necessary or advisable to enable the Trust or its
affiliates to comply with such Acts, the rules, regulations and requirements of
the SEC, and the securities or Blue Sky laws of any state or other jurisdiction,
and to file the same, with all exhibits thereto and other documents in
connection therewith, with the SEC and such other jurisdictions, and the
undersigned hereby ratifies and confirms as her own act and deed any and all
acts that such attorneys and agents, or any of them, shall do or cause to be
done by virtue hereof. Any one of such attorneys and agents has, and may
exercise, all of the powers hereby conferred. The undersigned hereby revokes any
Powers of Attorney previously granted with respect to the Trust or its
affiliates concerning the filings and actions described herein.
IN WITNESS WHEREOF, the undersigned has hereunto set her hand
as of the 10th day of August, 2000.
SIGNATURE TITLE
/s/ Kathleen C. Cuocolo President
___________________________
Kathleen C. Cuocolo
