Ohio Revised Code Title V. Townships § 505.01

In each township there shall be a board of township trustees consisting of three members. Two of such trustees shall be elected at the general election in nineteen forty-nine and quadrennially thereafter, in each township, who shall hold office for a term of four years, commencing on the first day of January next after their election. The third trustee shall be elected at the general election in nineteen fifty-one and quadrennially thereafter, in each township, who shall hold office for a term of four years, commencing on the first day of January next after the person's election.

At the first meeting of the board each calendar [sic] year, the board shall select one of its members to serve as chairperson for a term of one year. If the position of chairperson becomes vacant, the board shall select one of its members to preside.