A media conglomerate, media group or media institution is a company that owns large numbers of companies in various mass media such as television, radio, publishing, movies, and the Internet. Media conglomerates strive for policies that facilitate their control of the markets across the globe.

According to the 2011 Fortune 500 list, The Walt Disney Company is America's largest media conglomerate in terms of revenue, with News Corporation, Time Warner, CBS Corporation and Viacom completing the top 5. Other major players are NBCUniversal, and Sony Corporation of America.

A conglomerate is, by definition, a large company that consists of divisions of seemingly unrelated businesses.

It is questionable whether media companies are unrelated, as of 2007^[update]. The trend has been strongly for the sharing of various kinds of content (news, film and video, music for example). The media sector is tending to consolidate, and formerly diversified companies may appear less so as a result. Therefore, the term media group may also be applied, however it has not so far replaced the more traditional term.^{[citation needed]}

Justin Drew Bieber ( /ˈbiːbər/ BEE-bər, born March 1, 1994) is a Canadian Pop/R&B singer-songwriter, musician, and actor. Bieber was discovered in 2008 by Scooter Braun, who came across Bieber's videos on YouTube and later became his manager. Braun arranged for him to meet with Usher in Atlanta, Georgia, and Bieber was soon signed to Raymond Braun Media Group (RBMG), a joint venture between Braun and Usher, and then to a recording contract with Island Records offered by L.A. Reid. Bieber's debut single, "One Time", was released in 2009 and peaked in the top twenty in Canada and charted in the top thirty in several international markets. His debut album, the seven-track EP My World, followed in November 2009, and was soon certified platinum in the United States. He became the first artist to have seven songs from a debut album chart on the Billboard Hot 100.