About the founding members of the TV Data Initiative

Blockgraph is the only Identity Operating System (IDoS) purpose-built for the convergent TV advertising industry, ensuring the highest levels of control, quality and security for data owners. Blockgraph’s peer-to-peer identity and data confidentiality infrastructure provides a common syntax for companies to confidently and securely interchange household identifiers (IDs) and audiences, enabling participants to retain full control and ownership of their data while adhering to their customer privacy requirements.  Blockgraph’s IDoS empowers brands to quickly and accurately find, reach, and measure audiences across TV screens throughout the connected home. Blockgraph is industry-owned and maintains a rigorous commitment to creating a better, safer, and more efficient advertising and identity ecosystem for all participants. Blockgraph was founded by three of the largest media and video distribution companies in the world: Comcast NBCUniversal, Charter Communications, Inc. and ViacomCBS Inc.  For more information, please visit Blockgraph

DISH Media provides advertisers with intelligent solutions to efficiently maximize exposure to desired audiences across DISH and SLING TV. Through innovative platforms like addressable and programmatic, viewer measurement tools and access to custom audiences on DISH and SLING TV, advertisers employ strategically positioned, demographically targeted buys that enhance their national media campaigns. Visit

Eyeota is an audience technology platform that enables the intelligent use of data. We work with marketers, data owners, and research companies to provide distinct, comprehensive and qualified audience data. Our technology platform transforms audience data so that organizations can make smarter business decisions, understand customers and enrich marketing strategies. Eyeota was founded in 2010 and operates in Europe, Asia, Australia, and the Americas.

MadHive is an enterprise software platform that powers modern media. MadHive’s platform provides tools for audience forecasting, precision targeting and activation, and cross-screen attribution against its proprietary OTT-first device graph. Customers include advertisers that leverage MadHive’s next-generation cryptography to prevent fraud and increase margins, and broadcast giants that rely on the platform to power their linear reach extension offerings. For more information visit

Magnite is the world’s largest independent sell-side advertising platform. Publishers use Magnite’s technology to monetize their content across all screens and formats including CTV, online video, display, and audio. The world’s leading agencies and brands trust Magnite’s platform to access brand-safe, high-quality ad inventory and execute billions of advertising transactions each month. Anchored in sunny Los Angeles, bustling New York City, mile-high Denver, historic London, and down under in Sydney, Magnite has offices across North America, EMEA, LATAM, and APAC. For more information, visit

Transunion is a global information and insights company that makes trust possible in the modern economy. We do this by providing a comprehensive picture of each person so they can be reliably and safely represented in the ecosystem. As a result, businesses and consumers can transact with confidence and achieve great things. We call this Information for Good.® TransUnion’s audience and identity solutions are designed with the connected consumer in mind. With an accurate and comprehensive identity graph and people-based technology, we move business forward for marketers and companies that serve them, to enable confident, addressable and personalized consumer experiences. Learn more at

 A TransUnion Company, Tru Optik’s identity resolution powers the streaming media advertising ecosystem. Tru Optik’s patented Household Graph™ of more than 80 million U.S. homes enables the world’s leading brands, agencies, media companies and platforms to engage consumers across connected media, including connected TV, streaming audio and cloud-based gaming with unmatched scale, accuracy and privacy compliance. Our Data Marketplace is the definitive destination to buy and sell third-party data that powers connected media targeting, activation and measurement. To learn more about Tru Optik visit

TVSquared is the global leader in cross-platform TV ad measurement. Our ADvantage platform empowers thousands of advertisers in more than 75 countries to inform TV media strategies and drive business growth. We measure reach, attribution and outcomes, and help identify the right audiences. TVSquared measures TV how people watch it – across screens and platforms. Learn more at

VideoAmp is a software and data company creating a more sophisticated data-driven advertising ecosystem that redefines how media is valued, bought and sold. Our platform provides measurement and optimization tools that unify audiences across the disparate systems of traditional TV, streaming video and digital media. We are unlocking new value for those that currently operate within a siloed view of their audiences, creating efficiencies for the entire industry. We are transforming a 100-year old industry by powering a more effective three-way value exchange that results in advertisers increasing their return on investment, publishers increasing their revenues and improving the viewing experience for consumers. For more information visit