Ill. Admin. Code tit. 77, § 380.430
a) Each facility shall employ an executive director to be responsible for the general administration and supervision of the facility (Section 1-102 of the Act), who is:
2) An administrator licensed under the Nursing Home Administrators Licensing and Disciplinary Act, with a minimum of at least two years of supervisory or management experience and at least one year of experience working directly with persons with serious mental illness.