Definitions for "Media buyer"
Person who negotiates costs for advertising time and space.
Agency that procures advertising space on behalf of a brand
A media buyer, usually at an advertising agency, works with a media planner to allocate the money provided for an advertising campaign among specific print or online media (magazines, TV, Web sites, and so forth), and then calls and places the advertising orders. On the Web, placing the order often includes requesting proposals and negotiating the final cost.