What Does a Media Buyer Actually Do Every Day?

Martin Signer

Chairman of 4Finance AG · Founder of Global B2B Marketplace Platforms

M.A. Quantitative Finance, University of Zurich | Lecturer, ZHAW & HSLU | Zurich

Media buying sits at the intersection of data, negotiation, and creative strategy. Here's a realistic look at the day-to-day:

Morning: Data Review & Optimization (1–2 hours)

The day usually starts by pulling overnight performance reports. A media buyer checks:

• Campaign pacing — Are budgets spending at the right rate, or burning too fast/slow?
• Key metrics — CTR, CPM, CPC, ROAS, conversion rates across platforms (Google, Meta, DV360, etc.)
• Anomalies — A sudden spike in cost-per-click or a drop in impressions triggers immediate investigation
• Bid adjustments — Raising or lowering bids on keywords, audiences, or placements based on what performed yesterday

Mid-Morning: Vendor & Partner Communication

Media buyers spend a surprising amount of time on the phone or in email:

• Negotiating rates with publishers, networks, or out-of-home vendors
• Following up on insertion orders (IOs) and contracts
• Getting makegoods when a campaign underdelivers
• Attending publisher sales pitches to evaluate new inventory opportunities

Midday: Campaign Setup & Trafficking

For campaigns launching soon, there's hands-on platform work:

• Building out campaigns in ad platforms (Meta Ads Manager, Google Ads, The Trade Desk, etc.)
• Setting targeting parameters — geography, demographics, interests, device type
• Uploading creatives and ensuring specs are correct
• Implementing tracking pixels and verifying conversion events fire correctly

Afternoon: Reporting & Client/Stakeholder Updates

• Pulling weekly or monthly performance decks
• Translating raw data into insights (CPMs rose 18% — here's why and what we're doing about it)
• Attending status calls with clients or internal brand teams
• Updating budget trackers and billing reconciliation sheets

End of Day: Planning & Research

• Researching upcoming campaigns — audience sizing, channel mix recommendations
• Reviewing competitive landscape (what are competitors running and where?)
• Media planning work: building flowcharts, allocating budgets across channels
• Keeping up with platform changes (Meta algorithm updates, Google deprecating a feature, new ad formats)

Skills That Get Used Daily

What People Don't Expect

• It's very administrative. Invoices, IOs, discrepancy reports, and reconciliation eat in real time.
• Firefighting is constant. Ads get disapproved, pixels break, budgets overpace — often simultaneously.
• Platform UIs change constantly. Something that worked last month may have moved, renamed, or been removed.
• It's collaborative. Media buyers work closely with planners, creatives, analysts, and account managers — rarely in isolation.

The role rewards people who are comfortable with both spreadsheets and relationships, and who can context-switch quickly throughout the day.

If you're a brand looking for media buyers or publishers to work with, Publicity Marketplace connects you directly with the right partners.