The board shall consist, as heretofore, of the commissioner, who shall be ex officio the chairman of the board, and nine other members appointed by the Governor with the advice and consent of the Senate, as hereinafter provided. Any appointed member of the board may be removed from office by the Governor whenever, in his judgment, the public interest may so require. Of the nine appointed members, at least six shall each have had, at the time of his appointment, not less than 5 years of practical experience as an active executive officer in a banking institution or a savings and loan association located in the State of New Jersey; and three shall be public members who are not salaried officers, directors, or employees of any financial institution. At no time, however, shall there be more than a single representative on the board from any one banking institution or group of banking institutions which form a holding company. The six members specified to have had practical executive experience shall be appointed at least one each, from the following groups:
(1) Savings banks;
(2) Banks located in the Second Federal Reserve District;
(3) Banks located in the Third Federal Reserve District; and
(4) Savings and loan associations.