N.J. Stat. § 43:15A-18
The board shall elect annually from its membership a chairman and may also elect a vice-chairman, who shall have all the power and authority of the chairman in the event of the death, absence or disability of the chairman.
The actuary of the fund shall be selected by the Retirement Systems Actuary Selection Committee established by P.L. 1992, c.125.
The actuary shall be the technical adviser of the board and the committees on matters regarding the operation of the funds created by the provisions of this act and shall perform such other duties as are required in connection therewith.
The Attorney General shall be the legal adviser of the retirement system, except that if the Attorney General determines that a conflict of interest would affect the ability of the Attorney General to represent the board or the committees on a matter affecting the retirement system, the board may select and employ legal counsel to advise and represent the board or the committees on that matter.
The chief or assistant chief of the office of secretarial services of the Division of Pensions and Benefits of the State Department of the Treasury shall be the secretary of the board. The chief and assistant chief of the office of secretarial services shall be in the competitive division of the State classified service. The secretary presently in office shall hold the position as assistant chief of the office of secretarial services subject to all of the provisions of Title 11 of the Revised Statutes and shall not be removed from said office except in the manner provided under the provisions of said Title relating to permanent employees in the competitive division of the State classified service. The board of trustees shall select its secretary from among the eligible candidates.
N.J.S. § 43:15A-18