Roundel™ Media

Roundel™ Media designed by Target: Helping retail media ads hit the bullseye with Google Cloud

Results on Google Cloud
  • Two hours of reduced ad reporting latency (down from two days)

  • Unified terabytes of fragmented data with Google Cloud’s next-generation Lakehouse

  • Double-digit growth in Target’s ad revenue

  • Same-day visibility achieved into guest shopping behavior

Roundel™, Target’s retail media network, is using Google Cloud to turn insight into action while the shopping day is still live.

Target and Google Cloud

Tapping into the joy of Target

As one of the world's most beloved brands, Target’s purpose is to help people discover the joy of everyday life, providing affordable essentials, fun, ease and inspiration at every turn — no matter when, where or how they shop. Roundel™, Target’s retail media network, is central to this mission, helping brand advertisers connect with guests in authentic ways across its website, the Target app, and in-store digital properties.

For ads to feel relevant and useful for shoppers, brands need to be able to show up in the moments of real shopping intent. To deliver better outcomes for advertisers, Roundel relies on its deep understanding of the 100+ Target Circle loyalty members.

“Digital media is driven by data. That data needs to be fresh, accurate, and timely,” explains Guthrie Collin, Roundel’s VP of product management. “In our prior stack, we used the best technology but as fast as we could get was one and half to two days. You can’t use that data in an activated way at all.”

The more accurate the data, the better the digital advertising experience. When guests are happy, brands are happy and Target's happy because guests are finding the products they want fast and getting a great Target experience.

Guthrie Collin

VP of Product Management, Roundel

Interview view of Target Mall

The biggest challenge was harnessing terabytes of fragmented data across multiple systems and turning it into actionable insights fast. Historically, ad performance data could take over 30 hours to arrive, resulting in delayed visibility, inefficient budget optimization, and missed revenue opportunities. Roundel realized that to truly serve both guests and brands, advertisers needed the ability to take same-day action, rather than reacting to yesterday.

“The more accurate the data, the better the digital advertising experience,” Collin says. “When guests are happy, brands are happy and Target's happy because guests are finding the products they want fast and getting a great Target experience.”

Laying the foundations to expect more from data

Partnering with Google Cloud, Roundel modernized the Target Product Ads technology stack from the ground up. Using Google Cloud’s Lakehouse, Roundel completely rebuilt its data ingestion, processing, and measurement pipelines on Cloud Storage, Managed Service for Apache Spark, and BigQuery.

“The Lakehouse is really powerful for us,” Collin says. “When data is generated it lands in Cloud Storage almost instantaneously, and then we use a managed Spark instance to process. BigQuery is our analytical compute engine and allows folks to do ad-hoc queries in near real time to solve special client needs and power our AI algorithms faster than before.”

The most direct impact — our data freshness. We’re going from two days to two hours. This architecture shortens the distance between signal, insight, and action, and it's a really powerful driver to grow both sales and advertising results.

Guthrie Collin

VP of Product Management, Roundel

Unlike traditional lakehouses, which are engineered for static reporting, this next-generation lakehouse is built for real-time action, rapidly storing and processing raw signals from offsite media placements, ecommerce properties, supplier and logistics systems, and Target’s ad platforms. Bringing all this information together makes it possible to then run advanced analytics and AI models directly on top of the latest, most accurate data — without moving or preparing data before activation.

“The most direct impact is our data freshness. We’re going from two days to two hours,” Collin says. “This architecture shortens the distance between signal, insight, and action, and it's a really powerful driver to grow both sales and advertising results.”

This shift is helping Roundel turn Target’s enterprise data into an operating advantage, not just a reporting asset. In the past, if a specific product saw a sudden surge in interest, a brand wouldn’t see the signal until it was too late to adjust budgets or bids to capitalize on the current demand. Now, advertisers can gain the same-day feedback needed to optimize campaigns effectively, ensuring ads not only gain impressions but leave a lasting one.

“For Target, because advertisers are seeing more results, we're seeing double digit growth in the actual revenue we're collecting from the new data capabilities,” Collin says. “The best part is advertisers use that data to delight our guests, so everyone’s happy.”

Paving the way for agentic AI

More than “lift and shift” migration story, Roundel’s unified data foundation is helping position Target to lead in the era of agentic commerce, where AI agents will interact and transact on the behalf of consumers and businesses.

In particular, Collin notes that high-impact use cases, such as conversational analytics were not previously feasible with fragmented data. While generic models understand language, they lack the specific context of Target’s guests and their unique shopping journeys.

With the ability to ground AI models in trusted data that accurately reflects real-world realities — like what a guest is looking at right now versus their past purchasing behavior — Roundel is empowering everyone, even those with less technical skills, to access and analyze data. Using natural language is also reducing AI adoption friction, enabling teams to create AI-powered solutions and workflows with tools like AutoML and Agent Studio in Gemini Enterprise Gemini Agent Platform.

“Our lakehouse architecture, with all the agentic, analytical, and developer tools on top, allows us to start building the future faster than we could have before,” he says. “Google’s AI ecosystem gives us a natural runway into the next set of capabilities.”

Our lakehouse architecture, with all the agentic, analytical, and developer tools on top, allows us to start building the future faster than we could have before. Google’s AI ecosystem gives us a natural runway into the next set of capabilities.

Guthrie Collin

VP of Product Management, Roundel

Equally critical, AI agents require a strong foundation of trust to act autonomously in the future. Consolidating data in one place also simplifies governance, providing the oversight and control needed to meet Target’s privacy and compliance standards.

Target employees in red shirts

“You need to democratize data for everyone. With strong data governance, you allow people to have the least privileged access that keeps the data secure,” Collin explains. “That keeps our trust with guests and advertisers secure, and allows the business to grow.”

Removing these barriers doesn’t just help Roundel redefine guest experiences — it establishes a blueprint to drive continuous innovation across Target’s entire operations.

“People have the opportunity to really activate data in new ways,” Collin says. “It’s really democratizing the data to the frontline workers and can drive the business forward. Once the foundation works, you can reuse that pattern everywhere.”

Fueled by our deep understanding of the Target guest, Roundel designs media that connects brands to the joy of the Target experience. Driving higher engagement, performance, and campaign success, the results prove that Joy is good for business.

Industry: Retail

Location: United States

Products: Lakehouse for Apache Iceberg, Cloud Storage, BigQuery, Managed Service for Apache Spark

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