Ohio Rev. Code § 1716.17: Fiduciary duties.

Every person who solicits, collects, or expends contributions on behalf of a charitable organization or for a charitable purpose, or who conducts a charitable sales promotion, and every officer, director, trustee, or employee of that person who is concerned with the solicitation, collection, or expenditure of those contributions shall be considered a fiduciary and as acting in a fiduciary capacity.

This section does not supersede or otherwise alter the standard of care or the limitations on the liability of volunteers under section 1702.30 or 2305.38 of the Revised Code.