The Agentic Shift: How Media Agencies are Balancing AI Ambition with Client Trust at Advertising Week NY

As Advertising Week (AWNY) descends upon New York City, the industry’s narrative has coalesced around a singular, high-stakes pivot: the rise of "agentic" systems. While media agencies are rushing to deploy AI-driven agents capable of autonomous planning, buying, and optimization, the fervor is tempered by a pervasive, underlying tension. Clients are eager for the efficiency gains promised by artificial intelligence, but they remain deeply skeptical of the risks—specifically, the specter of "rogue" activity and the lack of transparency in automated decision-making.

For those tracking the evolution of the modern media landscape, the current state of play is a delicate dance between technological acceleration and the necessity of human oversight.

The Vanguard of Agentic Media

The past week alone has seen a flurry of announcements that illustrate how deeply the "agentic" model is embedding itself into agency workflows.

Dentsu has positioned itself at the forefront of this movement, announcing that its flagship media agency, Carat, is entering a strategic partnership with NBCUniversal, FreeWheel, and AI specialist Newton. The goal? To launch an advanced agentic solution specifically for upfront media investments. While the parties involved have remained tight-lipped regarding the specific branding of the tool, reports indicate that at least one major luxury retail client is already stress-testing the solution in live environments.

Simultaneously, the independent agency sector is pushing boundaries. Tinuiti recently unveiled its "Bliss Point Model Context Protocol (MCP) Server," an infrastructure play that allows its proprietary measurement layer to interface directly with AI agents. By consolidating audience data, creative assets, media spend, and measurement metrics into a single server, Tinuiti is effectively attempting to solve the fragmentation problem that often plagues AI execution.

Not to be outdone, Stagwell has relaunched its agency, Assembly, as "Stagwell Media." The centerpiece of this transformation is "Machine OS," an agentic operating system designed to dramatically reduce the latency between market shifts and media activation. It is a bold play that highlights a new reality: the agencies that win in the coming decade will be those that view their media buying not as a service, but as an engineering problem.

The Governance Paradox: Why Humans Still Hold the Reins

Despite the technical bravado on display, the industry is acutely aware of the reputational and financial risks associated with unbridled AI. News cycles dominated by headlines about rogue agents and the scrutiny faced by AI executives in global regulatory bodies have created a "trust gap."

To bridge this, agencies are leaning heavily on a strategy of "human-in-the-loop" governance.

"Every task and everything we do sits on a sliding scale of low to high human oversight," explains Rebekah Shalit, head of platforms at Dentsu. "While we can automate repeatable tasks like billing and standard campaign reporting, strategic planning and long-term innovation require human craft. We are not moving toward a world where robots do the job; we are moving toward a world where humans become the architects of robotic processes."

This sentiment was echoed on the Advertising Week stage by David Dworin, chief product officer at FreeWheel. "When we build agentic solutions, there is a strong need for human intervention because these systems are new and prone to error," Dworin noted. "We are currently working up the comfort and maturity curve. Most of our systems today are designed with explicit controls or ‘circuit breakers’ that prevent the AI from veering into territory that could damage a brand’s reputation."

At WPP Media, the approach is one of "governance by design." Lauren Wetzel, global president of data and tech solutions, emphasizes that her background in ad-tech has informed a framework where accountability is non-negotiable. "Our approach treats governance and human accountability as the foundation, not an afterthought," says Wetzel. "We distinguish clearly between probabilistic AI recommendations and deterministic execution. If there is a financial or activation impact, we require explicit human approval."

The "Orchestrator" Era: Shifting Team Structures

The shift toward agentic systems is forcing a transformation in agency talent. Slavi Samardzija, global chair of media and commerce at Stagwell, argues that the secret to client comfort is not just better software, but a better-shaped team.

"The shape of our teams has changed," Samardzija told Digiday. "We now require a disproportionately larger number of senior professionals who act as ‘orchestrators.’ These individuals don’t just know media buying; they are experts in the entire commerce workflow. They are the ones guiding the agents, setting the guardrails, and interpreting the output."

Carrie Drinkwater, chief investment officer at Carat, offers a more bullish perspective, framing the adoption of agents as a competitive necessity. "The beauty of agentic systems is the compound learning," Drinkwater asserts. "If we don’t start feeding these systems data now—building that institutional knowledge about a client’s business—we will be behind in a year. The faster you get onboard, the smarter you’ll be."

The Pivot to "Micro-Moments" in Commerce Media

While the AI conversation dominates the technical agenda, the commercial agenda at Advertising Week is focused on "commerce media." Retail media networks (RMNs) from giants like ExxonMobil, Dollar General, and Chase have used the event to advocate for a shift in how marketers define "the moment."

For brands, the traditional calendar of major events is no longer sufficient. Execs are pushing the idea of "micro-moments"—the fleeting, high-intent windows where a consumer is at a gas pump, standing at a store checkout, or browsing a takeout menu.

Selen Ozkan, vp of growth, commerce, UK & EMEA at WPP Media, challenges the industry to abandon outdated demographic dogmas. "A 35-year-old in New York is a different shopper on Tuesday morning than they are on Friday night," she notes. "Their needs, their mindset, and their propensity to purchase are fluid."

This strategy is already yielding results. Pepsi’s Nordic division, for instance, synchronized video campaigns with high-impact display ads on Danish food-delivery app Wolt. By targeting users at the exact moment they were ordering dinner, they saw a measurable lift in sales.

Implications for the Future of Advertising

The industry is currently caught in a transition that mirrors the early days of programmatic advertising. Just as the industry once moved from manual buying to automated bidding, it is now moving from simple automation to agentic orchestration.

However, the implications are profound:

The Death of Generic Segmentation: As Julie Clark, SVP of media and entertainment at TransUnion, noted during the event, "Segmentation as we knew it has gone by the wayside. It is now about curating audiences in real-time, marrying first-party brand data with third-party intelligence to build robust, deterministic insights."
Loyalty as a Fluid Metric: Brad Backenstose, president of clients at WPP Media, warns that loyalty is no longer static. To preserve connections, brands must stop viewing their media spend as a series of siloed campaigns and start viewing it as a consistent, ongoing dialogue that spans the entire customer journey.
The Rise of the Orchestrator: The future agency employee is less of a "buyer" and more of an "AI systems manager." The ability to interpret data, manage agentic risk, and pivot in real-time to micro-moments will define the next generation of agency leadership.

Conclusion: A Measured Acceleration

As the curtains close on this year’s Advertising Week, the takeaway is clear: the industry is all-in on the agentic future, but it is moving with a calculated, cautious pace. The "wild west" era of unchecked AI is being replaced by a rigorous, governance-heavy framework that prioritizes human oversight and strategic "craft."

For the agencies and the clients they represent, the next twelve months will be defined by their ability to scale these systems without losing the human intuition that drives creative and commercial success. In the world of media, the technology may be moving at the speed of light, but the strategy remains firmly in human hands.

For ongoing coverage of the latest developments at Advertising Week New York, keep your browser pointed to the Digiday series portal.