Ohio Rev. Code Ann. § 1702.301
(A) Unless otherwise provided in the articles or the regulations:
(1) No contract, action, or transaction is void or voidable with respect to a corporation because the contract, action, or transaction is between or affects the corporation and one or more of its directors or officers, or is between or affects the corporation and any other person in which one or more of the corporation's directors or officers are directors or officers, or in which one or more of the corporation's directors or officers have a financial or personal interest, or because one or more interested directors or officers participate in or vote at the meeting of the directors or a committee of the directors that authorizes the contract, action, or transaction, if any of the following applies: