The county executive shall be responsible for the proper administration of the affairs of the county placed in his charge, and, by resolution of the board of county commissioners, may serve as the head of any county department created by the board pursuant to sections 302.01 to 302.24, inclusive, of the Revised Code, provided he has the qualifications required by law.
County executive responsibilities
Ohio Rev. Code Ann. § 302.17, under Chapter 302 | Alternative Form of County Government.
Ohio Rev. Code Ann. § 302.17