Creative agency glossaryRoles and Job Titles

Media Buyer

A media buyer negotiates and purchases the advertising space where a campaign runs, from social and search to television, out-of-home and streaming, to reach the most of the right people for the money.

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What does a media buyer do?

A media buyer spends the campaign's media budget. Working from the media plan, they negotiate rates with publishers, networks, platforms and out-of-home owners, book the placements, set up the campaigns in the ad platforms, traffic the creative, monitor delivery and pacing, and optimize while the campaign is live. When it ends they reconcile what was bought against what was delivered and chase make-goods for anything that fell short.

The role has split in two over the last decade. Traditional buying is relationships and negotiation: a television upfront, a billboard on a specific corner, a magazine's back cover. Programmatic and platform buying is done in software, bidding for impressions in real time on Meta, Google, the trade desks and connected TV. Most buyers now do both, and the skill is knowing which one a campaign needs.

Why it matters

Why a media buyer matters

The media budget is usually the largest line in a campaign, larger than the production, and it is spent in a market where every price is negotiable and every platform's default settings favor the platform. A good buyer gets more for the money, places the work where the audience actually is and catches the campaign that is burning budget on the wrong people at two in the morning. They also decide, in practice, whether a beautiful film is seen by a million people or by a hundred thousand of the wrong ones.

In practice

How a media buyer works in practice

  1. 01

    The buyer takes the media plan, with its audience, budget, channels and flight dates, and goes to market. For traditional media that means requests for proposals, rate negotiations and insertion orders. For digital it means audience setup, bid strategy, budgets by placement and the creative specifications sent back to the agency so the assets arrive in the right sizes, lengths and formats.

  2. 02

    Once live, the buyer watches daily: delivery against plan, cost per result, frequency, brand safety, where the spend is going. They shift budget toward what is working, pause what is not and report weekly. At the end comes reconciliation, the post-campaign report and the benchmarks that make the next plan smarter.

At RIOT

Media buyers at RIOT

We make the work the buyers place. The connected TV spot "Real Life, Worry Free" we made for Bogg Bags was built for the streaming break, which has its own rules on length, sound and legibility. The Meta ad engine we ran for Homebase from February to April 2025 produced creative on the platform's rhythm, to the platform's specifications. For Red Bull Kumite the canvas was the screens in Times Square.

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Watch out

What people get wrong about media buyers

Separating the buy from the creative. A spot cut for television and dumped onto social is a waste of the placement, and a buyer who sees the creative late cannot tell the agency the formats they will need. The other mistake is judging a buyer only on price. The cheapest impressions are cheap because nobody wants them, and a buyer who reports a low cost per thousand on an audience that will never buy has saved the client nothing.

Related terms

Media BuyingMedia PlannerProgrammatic AdvertisingCPM

Questions

People also ask

What is the difference between a media buyer and a media planner?

The planner decides where the campaign should run, for whom, with what budget and when. The buyer executes that plan: negotiating, purchasing, setting up and optimizing. At many agencies one person or one team does both, and the titles describe the stage of the work.

Do I need a media buyer for a social media campaign?

If there is real money behind it, yes. Paid social looks simple because the platforms make spending easy, which is exactly the problem. A buyer sets the audiences, the bidding and the creative rotation so the budget reaches people rather than the platform's defaults.

How are media buyers paid?

Historically on a percentage of the media spend, which rewards spending more. Increasingly on a fee or a retainer, sometimes with a performance element. Whatever the model, the client should see what was paid for the media and what the agency kept.

Next to it in the glossary

  1. Marketing AnalystA marketing analyst measures how campaigns and channels perform and turns the results into recommendations that make the next campaign better targeted and more effective.
  2. Marketing Automation SpecialistA marketing automation specialist builds and maintains the systems that send the right message to the right person without a human pressing send.
  3. Marketing Traffic ManagerA marketing traffic manager controls the flow of work through a marketing team, assigning resources, tracking deadlines and clearing bottlenecks before they stall a campaign.
  4. Media PlannerA media planner decides where, when and how often a campaign's ads should run so that the right audience sees them enough times, at the lowest cost that does the job.
  5. Media Relations CoordinatorA media relations coordinator supports a public relations team by building media lists, tracking coverage, drafting press materials and keeping journalists supplied with what they need.
  6. Mobile Marketing SpecialistA mobile marketing specialist plans and runs the marketing that reaches people on their phones, from SMS and push notifications to in-app campaigns and vertical video built for the thumb.

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We make the work.

RIOT is a creative agency and production studio in New York. Strategy, brand, film, photography, design and the campaigns that carry them, made by one team. A few lines is enough to start: we read every brief the same day.

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