N.J. Stat. § 43:15A-32
The board of trustees shall be and are hereby constituted trustees of the various funds and accounts established by this act; provided, however, that all functions, powers, and duties relating to the investment or reinvestment of moneys of, and purchase, sale, or exchange of any investments or securities, of or for any fund or account established under this act, shall be exercised and performed by the Director of the Division of Investment in accordance with the provisions of chapter 270, P.L. 1950, as amended and supplemented. The secretary of the board of trustees shall determine from time to time the cash requirements of the various funds and accounts established by this act and the amount available for investment, all of which shall be certified to the Director of the Division of Investment.
The members of the finance committee of the board of trustees shall be appointed at or after July 1 of each calendar year by the chairman of the board of trustees to serve through June 30 of the ensuing calendar year and until their successors are appointed. The finance committee of the board of trustees shall consist of five members of the board of trustees, one of whom shall be the State Treasurer, and one of whom shall be the member designated to serve on the State Investment Council. At least three members of the finance committee shall be members of the board of trustees who have been elected by members of the system. A quorum of the finance committee shall consist of three members thereof.
An elected member of the board of trustees to be designated by a majority vote thereof shall serve on the State Investment Council as a representative of said board of trustees, for a term of three years and until a successor is designated and qualified.
N.J.S. § 43:15A-32