Indiana Code Title 22. Labor and Safety § 22-12-2-5

Sec. 5. (a) The governor shall appoint a member of the commission to be the commission's chair.

(b) The member appointed by the governor serves as the commission's chair at the governor's pleasure.

(c) The commission shall, from the commission's members, elect a vice chair of the commission.  The vice chair shall, in the absence of the chair, perform the duties of the chair.