Mich. Comp. Laws § 339.201

Sec. 201. The department shall consist of a director as its executive head and other officers and employees appointed or employed by the department. The director shall be appointed by the governor, subject to the advice and consent of the senate, and shall hold office at the pleasure of the governor. The department shall designate only those persons who meet the qualifications for licensure established for an occupation regulated under article 7, 20, or 22 to investigate licensees or persons against whom complaints have been lodged.