A Media Buyer strategically purchases advertising space across various platforms to optimize brand visibility and reach target audiences. Key responsibilities include analyzing market trends, negotiating contracts, managing budgets, and assessing campaign performance. Essential skills include data analysis, negotiation, and communication. Typically working in marketing firms or corporate teams, Media Buyers collaborate with account executives, creatives, and analysts. Career progression may lead to senior buyer or media director roles, with opportunities to specialize in digital or programmatic advertising.