Time Warner

Former top-tier global media conglomerate and premium advertising inventory owner before being acquired and rebranded as WarnerMedia by AT&T in 2018.

Time Warner Inc. was one of the world's largest media and entertainment conglomerates, headquartered in New York City. The company operated a vast portfolio of iconic brands spanning television networks, film studios, and news organizations, including HBO, CNN, Warner Bros., TNT, TBS, and Turner Broadcasting. Its scale and reach made it a central player in the broader media ecosystem, with significant implications for advertising, content distribution, and audience targeting across linear and digital platforms. In the AdTech and advertising ecosystem, Time Warner was a major premium content owner and advertising inventory supplier, offering advertisers access to massive, highly engaged audiences across its cable networks and digital properties. The company invested in data-driven advertising capabilities, including its Turner Ignite platform, which leveraged first-party audience data from its networks to enable more precise ad targeting. This positioned Time Warner as a forward-thinking media company at the intersection of traditional television advertising and emerging programmatic and data-driven ad technologies. On June 14, 2018, AT&T completed its $85.4 billion acquisition of Time Warner, one of the largest media deals in history. Following the acquisition, AT&T rebranded the entity as WarnerMedia, retiring the Time Warner name entirely. The rationale was to combine AT&T's distribution infrastructure and subscriber data with Time Warner's premium content assets to create a vertically integrated media and telecom powerhouse. The Time Warner brand was formally retired, with WarnerMedia subsequently being spun off and merged with Discovery, Inc. to form Warner Bros. Discovery in 2022.

• 1990Founded
• 2001Acquired by AOL
• 2018Acquired by AT&T Inc.
• 2018Rebranded to WarnerMedia
• 2022Rebranded to Warner Bros. Discovery