20 ILCS 2610/7

As soon as practicable after the members of the Board have been appointed, they shall meet and shall organize by electing a chairman and a secretary. The initial chairman and secretary, and their successors, shall be elected by the Board from among its members for a term of two years or for the remainder of their term of office as a member of the Board, whichever is the shorter. Three members of the Board shall constitute a quorum for the transaction of business. The Board shall hold regular quarterly meetings and such other meetings as may be called by the chairman.