Mich. Comp. Laws § 550.1215

Sec. 215. When a health care corporation, consistent with the purposes of the corporation prescribed in this act, is a shareholder in any other nonprofit corporation, its president and other officers or any of its directors may hold the office of director of the other nonprofit corporation the same as if they were individual shareholders in the other nonprofit corporation. The health care corporation, being a shareholder in the other nonprofit corporation, shall possess and exercise all the rights, powers, privileges, and liabilities of individual shareholders.