Vorderseite 1.Individual or entity who organizes and is committed to the development of a product, program, or project. 2.Advertiser who pays (in part or in full) the cost of broadcasting a radio or television program, by running commercials during the program's broadcast. 3.Donor firm that underwrites a part or whole of the expense of staging a public event through contributions in cash or kind, and is allowed to display advertising banners or to otherwise promote itself or its products during the sponsored event. 4.General partner who organizes and promotes a general partnership or limited partnership.