At A Glance
As CTV viewership grows, marketers face challenges in targeting and measurement across fragmented platforms. Identity resolution and audience strategies, supported by Experian’s syndicated audiences and privacy-safe solutions, help DSPs and advertisers reach high-value audiences, improve campaign accuracy, and drive measurable outcomes.In our Ask the Expert Series, we interview leaders from our partner organizations who are helping lead their brands to new heights in AdTech. Today’s interview is with George Castrissiades, General Manager of Connected TV at AdRoll.
Premium reach and fragmentation
As viewer attention fragments across platforms, how should marketers redefine “premium reach” in CTV to prioritize engagement and audience quality over scale alone?

A few years ago, ad supported streaming over-indexed on younger adults, those without much financial history and much more budget conscious. It would have been fair for B2B brands to assume that maybe they weren’t going to find their C-Suite audiences on those channels, and so connected TV(CTV) was positioned as a top of funnel tactic aimed at retail. But that’s all changed – ad-free prices are going up, and ad supported tiers are the norm across the majority of channels. 66% of adults have at least one ad supported streaming channel, and adults today spend nearly as much time streaming movies and TV as they spend on their mobile phones. Now that ad viewing audiences on CTV really span the full spectrum of demo, techno, and firmographic segments, savvy marketers should partner with platforms that offer breadth and depth of targeting and measurement to find the highest value audiences wherever they’re watching CTV and serve them highly relevant ads that draw their attention towards the screen. I know I’m jumping out of my seat whenever I see an AdTech or MarTech ad.
Identity and relevance
What does a strong identity framework unlock for delivering household- and person-level relevance across screens, and how does it reshape audience planning?

In privacy-safe ecosystems, people want to share less data and log in to websites and browsers less frequently. If you can’t resolve a household ID to a CTV device through Safari and other sources of obfuscated identity, you’re going to end up losing a lot of signal along the way. On top of that, targeting smaller, higher-value audiences means this attrition can have a profound impact on your ability to build meaningful reach and use audience forecasts to predict scale. A strong identity framework is the key to maintaining as much of your planned audience as possible and staying true to initial forecasts.
AI and outcome planning
How is AI evolving CTV from tactical bidding to strategic outcome planning, and what mechanisms are in place to validate true performance lift?

Tomorrow isn’t guaranteed, especially not in advertising. Audiences change where and when they consume media, and so shifting budget to a placement that did well yesterday is like buying a stock when it’s outperforming – the gains might be gone by then! Predictive AI is bridging the gap to find the highest value and most engaged audiences in real time, versus being purely reactive. This helps drive outcomes which we see in the form of pipeline influence, ROAS, and site traffic lift – without exponentially increasing costs. The same is true for account-based marketing(ABM) outcomes – there’s a blend of signals, account “fit” and intent data that needs to be evaluated in a deeper, more intelligent way. AI is helping to find those highest value accounts, even before they’re in market, which means smart marketers aren’t showing up late to the party.
Measurement and incrementality
What privacy-safe, closed-loop measurement frameworks should become standard to prove incremental visits and sales from CTV campaigns?

Working with a dedicated multichannel, full-funnel ad and marketing platform like AdRoll can easily let you know when a user arrives at your site and makes a purchase, but understanding how that customer arrived there and which tactics deserve the credit requires a deeper, more sophisticated workflow. Our partnership with Experian allows all devices in a household to ladder back up to a household ID, so we can ensure accuracy without pivoting on anything personally identifiable. This works perfectly in CTV, an environment that follows an app workflow of user resettable device IDs rather than IP address or email but always connects seamlessly to web tokens including cookies. Accuracy, scale, and privacy are maintained in a proven way – you see this tech underpinning the infrastructure of streaming across all the biggest players, so marketers can rest easy.
Creative and commerce
How can creative sequencing and shoppable TV experiences convert living-room attention into commerce without compromising user experience or feeling intrusive?

I like to say that CTV trades attention for action. Users lean back and focus on the messaging and visuals of the big screen rather than scrambling for the mouse or tapping to close some intrusive pop-up. This focus means that the messaging is absorbed more quickly, but creatives can wear out their welcome just as fast. Sequential messaging really helps to move the messaging along without subjecting the viewer to longer ads where attention wanes, but also increases brand recall and specific product information because the story evolves with each impression. This is a great tactic to use when you want a viewer to take a specific action later – but shoppable ads can help motivate a user to act now, and new formats can really simplify things. Shoppable can feel out of range for most – the top players in this space own major e-comm storefronts and then tie them back into their own demand-side platforms (DSPs), content, and streaming devices. For the rest of us, dipping our toes in slowly through simple and cheap solutions like QR codes can connect audiences right to a web experience from their TVs, or intermediate solutions like interactive video ads. Users love to play around with fun on-screen experiences, and there’s a whole spectrum of crawl/walk/run options available.
Trust and governance
Which shared guardrails—brand safety, fraud control, and frequency management- are essential to unlocking sustainable, scaled investment in CTV?

I’ve always thought of CTV inventory analogously to high-end watches – if you buy from the source or a well-known, reputable dealer, you’re probably buying the real thing. But that fancy timepiece the guy was selling outside the bar, that you swore looked real? Probably not. Untrusted resellers and too-good-to-be-true pricing might mean you’re running ads on a screen at a lonely gas station at 3 am to an audience of no one, and that’s not even the worst case scenario. Good relationships and deep pockets can solve brand safety and fraud issues, but not every advertiser is going to have those resources. Brand safety and fraud prevention can reduce workload and help distinguish the good stuff from the growing pool of gray area, arguably, CTV inventory that isn’t what was promised to a customer. Outsourcing this trust also goes a long way, with buyers knowing you’re not grading your own homework. Frequency management is equally as important. Once you have your audience and your good supply, it’s important not to abuse a single household just because they meet your targeting criteria. Reach is your best friend with CTV.
Data and audience strategy
How do Experian’s syndicated audiences provide a consistent, scalable foundation for planning, activation, and measurement across CTV and digital, and what outcomes are clients seeing?

We love to talk about how Experian’s data is such an integral part of so much of streaming’s architecture, and the fact that it’s built on deterministic datasets means you’re getting scaled audiences built on knowledge rather than best guesses. That means a lot when working across multiple channels, privacy-safe environments, and households with an ever-growing number of connected devices. Our customers are always delighted at how precise targeting can be, especially in the B2B/B2C space – and knowing the size of those audiences helps them to understand how budget transforms into reach in a more predictable way. It’s confidence-inspiring to point to a new audience and tell your client that these are their future customers. The best part is showing them the outcomes reporting – we consistently see a massive spike in site traffic and engagement on days when a new Experian syndicated audience is launched!
Contact us
FAQs
Identity resolution ensures marketers can connect devices and maintain audience accuracy. Experian’s identity solutions help reduce data loss and improve audience forecasts, making campaigns more effective.
With viewer attention spread across platforms, marketers need tools that offer both broad and detailed targeting. Experian’s syndicated audiences provide reliable, scalable data to help identify and reach high-value audiences across channels.
Techniques like sequential messaging and shoppable ads keep viewers engaged and encourage action. Simple tools like QR codes or interactive video ads can connect audiences to web experiences directly from their TVs.
Strong identity frameworks help DSPs maintain accurate targeting and audience reach, even in privacy-focused environments. By connecting devices to household IDs, solutions like Experian’s Digital Graph ensure DSPs can deliver relevant ads and measure performance effectively across channels.
About our expert

George Castrissiades, General Manager of Connected TV, AdRoll
George leads the CTV go-to-market strategy at NextRoll, driving rapid growth and adoption of the channel for both B2B and B2C customers. With a track record of building and scaling CTV solutions, he is focused on developing a strategic playbook that accelerates success in the evolving digital advertising landscape.
Before joining NextRoll, George spearheaded CTV product innovation at iSpot.tv and held leadership roles in product and operations at YouTube, VICE Media, Crackle, Roku, and Innovid. His expertise spans product development, monetization, and market expansion.

About AdRoll
AdRoll is a connected advertising platform built for growth-minded marketers. With powerful AI, flexible campaign tools, and seamless integrations, AdRoll helps mid-sized businesses turn complexity into clarity and clicks into customers. The AdRoll platform delivers full-funnel performance through multi-channel advertising, audience insights, and cross-channel attribution, supporting marketers across industries including ecommerce, technology, financial services, education, and more. For B2B teams, AdRoll ABM extends these capabilities with account-based precision, multi-touch campaigns, and real-time buyer intelligence. Backed by nearly 20 years of data and award-winning support, AdRoll enables marketing teams to advertise smarter, move faster, and achieve more, all from one place.
Latest posts

Experian kicks off the AdTech year at CES What better way to jump-start start 2023 than a trip to Las Vegas for the Consumer Electronics Show (CES). Our team was thrilled to participate in this annual kick-off with the AdTech community. The uniqueness of what CES has become for our industry can be defined as the intersection between technology brands, digital, television, and AdTech. CES creates the space necessary for marketing and advertising leaders to collaborate to drive rewarding outcomes for the year ahead. Our goal in attending CES was to connect with our partners, clients, and industry leaders to build relationships, form strategic plans, and listen. The opportunity to learn about our industry’s challenges and goals enables us to develop initiatives, drive success, and support our clients and partners. Keep reading for our 2023 CES AdTech recap. “I have been to CES too many times to mention the number; this year was as energetic, collaborative, engaged, and effective as I can ever recall. Our presence was first-class and meticulously organized, which made our interactions as robust as possible. It's a team effort, and we appreciate all the work that goes into this event. “ – Greg Koerner, Vice President of Digital Advertising Sales Our CES AdTech recap Supporting publishers and advertisers is top of mind for us. Many of our conversations focused on the technologies we deliver or collaborate with our partners to provide. Clean rooms and activation were two common themes throughout our discussions. Clean rooms Consumer privacy, regulatory requirements, and data deprecation are driving the AdTech industry to talk about and explore clean rooms. There’s a need to address data collection, storage, analysis, and sharing. Clean rooms are a potential solution that can standardize data and address interoperability issues. Activation In 2023, we predict that digital activation will increase. We continue to see increased demand for environments where alternative identifiers are being transacted (like demand side platforms and video). Social platforms will continue to experience volatility and advertisers will shift their focus to demand-side, video, and supply-side platforms. Download our 2023 Digital audience trends and predictions report to learn where you should activate your audiences in 2023. We can help plan your 2023 digital activation strategy. How we support clean rooms and activation Our Consumer Sync and Consumer View products support these areas and can help you understand people better–so you and your customers can connect with confidence. What is Consumer Sync? Consumer Sync, our consumer identity product, enables signal agnostic collaboration across marketers and technologies, bringing together digital devices, IDs, households, and attributes. Consumer Sync’s Resolution and Collaboration solutions can help you gain a better understanding of your consumers and make identities actionable in any environment. What is Consumer View? Consumer View, our data discovery product, offers marketers a robust, privacy-first understanding of their customers and prospects. Grounded in consumer identity, Consumer View provides the data foundation to engage consumers where, when, and how they want. Consumer View’s Audience and Attribution solutions provide expansive coverage so that you can fill in the gaps to better understand your prospects. Additionally, our collaborative efforts with strong partnerships across the clean room ecosystem and with our activation partners help our clients serve the best ads, at the best times, to the right audience. “CES is back and was a great way to kick off the new year! We were able to meet with a high volume of clients to eagerly talk about building new solutions for the TV space. We are excited to see where these conversations lead in the next few months.” – Ali Mack, Senior Director of TV Advertising Sales Let’s navigate what’s new in our industry, together We can help you connect with your consumers in innovative, impactful ways. Contact us to continue the conversation and learn more about our Consumer Sync and Consumer View products. We can help you take advantage of the opportunities on the horizon. Get in touch
Tap into our collaboration with ARF’s DASH study for one-of-a-kind TV audiences Understanding the importance of aligning campaigns with the media usage habits of consumers, Experian Marketing Services has partnered with The Advertising Research Foundation (ARF) and its DASH (Device and Account Sharing) universe study to create an innovative solution for marketers and advertisers. A leading industry organization dedicated to furthering the scientific practice of advertising and marketing, the ARF conducts independent research and assists in establishing rigorous standards of practice. Its 400+ members include leading marketers, media companies, advertising agencies, and research and measurement firms. What does DASH data reveal? The ARF’s DASH study was developed with National Opinion Research Center (NORC) and seven industry sponsors, including Experian. DASH measures, in granular detail, how American households and individuals connect to and consume TV, use digital devices, and interact with and share streaming media and eCommerce accounts. DASH also contains a cohort of repeat respondents to uncover the dynamics of complex media actions, such as cord cutting. DASH produces an unbiased, nationally projectable data set, which, when combined with Experian's Marketing Data enables the creation of one-of-a-kind audience segments based on TV, media, and device usage at scale. In addition, pairing DASH data with Experian Marketing Data yields insights for industry partners that unlock how consumers engage with media and technology across their devices and eCommerce accounts. How do we make DASH audiences – and why? By combining the ARF’s DASH data set with Experian Marketing Data, we developed one-of-a-kind TV audiences that reflect how viewers interact with digital devices and eCommerce accounts. We have created this resource so our customers can align their marketing campaigns with media usage. These audience segments also yield insights that help marketers reach their audiences with the right messages and content. “Television viewing behavior has undergone a massive transformation, making it challenging for advertisers to reach their target audience and optimize frequency. These audiences give advertisers invaluable tools for managing their campaigns in an increasingly fragmented environment.” – Doug McLennan, Director of Product Management, Experian Explore our DASH audiences to advance your digital and TV ad campaign strategy TV usage and viewing behavior audiences These audience segments allow marketers to reach unique and targeted viewers, like frequent streamers or those who watch exclusively on larger screens. Ad Avoiders Ad Acceptors Household/Family Viewing – Co-Watchers Household/Family Viewing – Co-Watchers with Children Household/Family Viewing – Co-Watchers without Children Household/Family Viewing – Solo Watchers TV Enthusiasts – Paid TV High Spenders Viewing Device Type – Screen Size – Small Viewing Device Type – Screen Size – Large With our new TV audiences, you can target viewers with precision, accuracy, and confidence, enabling you to maximize your marketing efforts. We are excited to offer these new segments and look forward to continuing our work with the ARF to develop new resources that help you connect with your target audiences. “DASH has established itself as a reliable and unbiased calibration set – a “true North” – for media measurement. Our collaboration with Experian puts the power and precision of DASH in the hands of marketers and advertisers as well.” – Paul Donato, Chief Research Officer, ARF Our DASH audiences can be found on the shelf in your demand-side platform of choice for easy accessibility, with availability across all offline and online channels. Connect with us to learn more. For more information on our partner ARF, visit www.thearf.org. Get in touch

2022 was a year of adjustment. Consumers adjusted to a post-pandemic world and returned to pre-pandemic shopping behaviors. Consumers adjusted their budgets as the price of goods skyrocketed, as a result of high inflation. To combat inflation, the U.S. Federal Reserve adjusted interest rates. This further restricted consumer buying power. The AdTech ecosystem also experienced adjustments. Google adjusted the date of cookie deprecation. Federal legislation forced technology companies to adjust their consumer privacy practices. Marketers and advertisers adjusted how they address interoperability issues by investing in clean room solutions. This year of adjustment makes it harder to predict where consumers will spend and how marketers should plan their digital audience strategies. What will 2023 bring to AdTech? Download our 2023 AdTech trends and predictions report to access our forecast to help you plan for 2023. Our report will answer: How has digital activation changed over the last four years? What are the top advertising platforms? Which digital audiences are advertisers buying? Do digital audience strategies vary by vertical? Our AdTech trends forecast In 2023, digital activation will increase. Digital audience activation continues to grow at a significant rate despite market shocks like the pandemic, inflation, and higher interest rates. Given the current economic uncertainty, we predict that marketers will look toward tried and true channels where they are confident they will have quality audiences, inventory, and be able to drive ROI. What will digital activation look like in 2023? Between 2018-2021, digital audience activation increased annually by 46%. Using projected 2022 results, between 2018-2022, it will increase annually by 34%. We anticipate continued growth in 2023. Top advertising platforms in 2023 2023 will see increased digital activation, but which platforms will advertisers use to serve their ads? Advertisers will shift their focus to demand-side, video, and supply-side platforms. Social media platforms will continue to experience volatility. Advertisers will place bigger bets on the combination of addressable and CTV. Our report will also reveal which platforms are creating a path toward a post-cookie future and where data-sharing relationships will become the strongest. The most popular advertiser audiences trending now in AdTech Which digital audiences are advertisers buying? Demographics Modeled Lifestyles Behavioral Custom Audiences Traditional targeting methods like Demographics and Modeled Lifestyles are the baseline of many marketing strategies. We predict that we will continue to see marketers activate against these data sets. Digital audience strategies by vertical Digital audience strategies vary by vertical. Download our report to uncover the digital audiences purchased by advertisers in the following industries: Financial Services Health Retail & CPG Technology & Communication Download our new 2025 Digital trends and predictions report Marketers, agencies, and platforms are facing new challenges as privacy regulations evolve, AI technology advances, and consumer behaviors shift. Our latest report highlights actionable strategies for navigating these changes and improving how you connect with audiences, measure impact, and deliver results. What you’ll learn Navigating signal loss: Explore the rise of alternative IDs and contextual targeting as privacy regulations and signal loss reshape data-driven advertising. Connected TV (CTV): Understand the growth of connected TV (CTV), the importance of frequency capping, and strategies for effective audience activation. Omnichannel campaigns: Learn how marketers are moving from channel-specific strategies to audience-led omnichannel campaigns that tell a more cohesive story. Retail media networks: Learn how retail media networks (RMNs) are capitalizing on enriched first-party data to learn more about their customers and reach them across on-site and off-site inventory. Curation: Examine how curation is transforming programmatic campaigns by combining audience, contextual, and supply chain signals to deliver premium inventory packages that maximize addressability, efficiency, and performance. Download now Get in touch