POWER OF ATTORNEY
The undersigned, as Chairman of the Board of Trustees, Trustee,
principal executive officer and principal financial and accounting officer, of
State Street Research Master Investment Trust ("Trust"), a Massachusetts
business trust, hereby constitutes and appoints Francis J. McNamara, III and
Darman A. Wing as the true and lawful attorneys of the undersigned, with full
power to each of them alone to sign for the undersigned, in the name and in the
capacity of the undersigned indicated below, any Registration Statements and any
and all amendments thereto of the Trust filed with the Securities and Exchange
Commission and generally to do all such things in the name and in the indicated
capacity of the undersigned as are required to enable the Trust to comply with
provisions of the Securities Act of 1933, as amended, and/or the Investment
Company Act of 1940, as amended, and all requirements and regulations of the
Securities and Exchange Commission, hereby ratifying and confirming the
signature of the undersigned as it has been and may be signed by said attorneys
to said Registration Statements, and any and all amendments thereto.
IN WITNESS WHEREOF, executed the 16th day of June, 2000.
Signature Capacity
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/s/ Gerard P. Maus Chairman of the Board of Trustees, Trustee,
------------------ principal executive officer and principal
Gerard P. Maus financial and accounting officer
