If you have an ad agency handling the marketing of your business, your representative is probably serving as your media buyer. In this capacity a media buyer is a person who looks for the best placement and best prices to purchase advertising for your marketing campaign. A media buyer must have experience in the advertising business in order to know where to place your ads and what rates would be considered worth the price. All mediums of advertising are vehicles for a media buyer to pursue, from television and radio to magazines and newspapers. You media buyer will do the most they can in order to promote and advertise your business through the best advertisement campaigns which they can find. The more response you can attract from your ads, the better your media buyer is at his or her job. Having someone who knows the ins and outs of advertising is worth every cent.