70 ILCS 3605/22
As soon as possible after the appointment of the initial members, the board shall organize for the transaction of business, select a chairman and a temporary secretary from its own number, and adopt by-laws, rules and regulations to govern its proceedings. The initial chairman and successors shall be elected by the Board from time to time for the term of his office as a member of the Board or for the term of three years, whichever is shorter. The Board shall fix the salary of the chairman in addition to his salary as a member of the Board, which shall not be increased or diminished during his term of office as chairman. But if the chairman is engaged in any other business or employment during his term as chairman, his annual salary shall be not more than $25,000.
70 ILCS 3605/22