720 ILCS 5/5-5

(a) A person is legally accountable for conduct which is an element of an offense and which, in the name or in behalf of a corporation, he performs or causes to be performed, to the same extent as if the conduct were performed in his own name or behalf. (b) An individual who has been convicted of an offense by reason of his legal accountability for the conduct of a corporation is subject to the punishment authorized by law for an individual upon conviction of such offense, although only a lesser or different punishment is authorized for the corporation.