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Infinity Broadcasting Corporation
Fate Reverted back to CBS Radio
Successor CBS Radio
Founded 1972
Founder(s) Michael A. Wiener
Gerald Carrus
Defunct 2005
Headquarters New York City, New York, USA
Area served  United States
Key people Mel Karmazin
Industry Radio Broadcasting, Outdoor advertising
Owner(s) CBS Corporation (1997-2000)
"Old" Viacom (now CBS Corporation) (2000-2005)

Infinity Broadcasting Corporation was a radio company that existed from 1972 until 2005. It was founded by Michael A. Wiener and Gerald Carrus. It became the most powerful radio company due to the popularity of Howard Stern. Infinity would later merge with CBS Corporation in 1997, and later with Viacom in 2000, when CBS and Viacom merged. After the Viacom split in 2005, Infinity changed its name to CBS Radio, as part of CBS Corporation.

On February 3, 2009, CBS Radio bought back the Infinity branding as an Internet-only radio station exclusively through CBS Radio's service.





Formation and pre-merger

Infinity was founded in 1972 by two former Metromedia executives Michael A. Wiener and Gerald Carrus, with the acquisition of KOME, an FM radio station that served the San Francisco, California area, and finally received its license by the Federal Communications Commission (FCC) before assuming a year later.[1] In 1979, Infinity acquired WBCN in Boston.

In 1981, Mel Karmazin bought in as new president. Karmazin oversees the operation of New York's WNEW-AM (now WBBR) and WNEW-FM (now WWFS) for Metromedia. Soon later, acquired fellow New York stations WNEW-FM, WKTU (now WXRK), WZRC, and WFAN the following years, followed by WYSP-FM in Philadelphia. In 1983, Infinity absorbed KXYZ in Houston and WJMK-FM and WJJD in Chicago.

Infinity became a publicity-traded company in 1986. Within a year, he had purchased six more stations: KROQ-FM in Los Angeles, WJFK-FM in Washington, D.C., WQYK-AM/FM in Tampa, and KVIL-AM/FM in Dallas.

The company reverted back to a private company in the late 1980s, but it became a public company again in 1992. It is also became a more powerful company for the popularity of WXRK's Howard Stern. In 1993, Infinity was expanded to 22 radio stations.

Merged with CBS and Viacom

The Telecommunications Act of 1996 was passed into law, giving Infinity acquired more than 75 stations.

In 1997, it was finally announced that Westinghouse Electric Corporation (which owns CBS) would acquire Infinity Broadcasting. Michael Jordan (not to be confused with the basketball player), CEO of Westinghouse Electric Corp., refused to sell the firm to Karmazin but instead agreed to buy Infinity. The $4.9 billion deal was completed on December 31, 1996.[2] As a result of the Westinghouse purchase, Infinity was merged into the CBS Radio Group, with Karmazin as president. Karmazin soon became chairman and CEO of CBS Radio, and took the control of CBS's television firm.

However, Westinghouse sold its non-broadcasting assets and renamed itself as CBS Corporation. In 1998, CBS decided to spun-off a portion of its radio and outdoor advertising holdings as Infinity Broadcasting Corp., once again bringing the Infinity name back to the public. The stock offering was the largest in the media industry at the time and raised $2.87 billion.

The most significant move during 1999, however, was the deal struck with Viacom in September (Viacom was also previously owned several radio stations until it was sold to Chancellor Media in 1997). Sumner Redstone, CEO of Viacom, shot down Karmazin's offer to buy Viacom. Karmazin then offered CBS to Redstone, who eventually made a $37 billion proposal to merge the two companies together. Viacom completed the CBS Corp. purchase in May 2000, but it may retained 80% ownership of Infinity. At that same year, Infinity acquired Outdoor Systems and renamed Infinity Outdoor.

Under the new ownership by Viacom, it acquired 18 radio stations from competitor Clear Channel Communications (after facing regulatory review following the merger of Clear Channel and AMFM Incorporated). The company also purchased Giraudy SA, an outdoor advertising company based in France. In 2002, Viacom acquired the remaining shares of Infinity that it did not already own, taking the business private for the third time in its history; but Infinity Outdoor was separated from Infinity and renamed Viacom Outdoor.

Karmazin named Farid Suleman president and CEO of Infinity in 2001, however, Suleman resigned and replaced by John Sykes, a former executive of Viacom's MTV Networks (Suleman is now the Chairman and CEO of Citadel Broadcasting) It is now owns over 185 radio stations, including flagship station WCBS-AM in New York City.

Departure of Mel Karmazin, Howard Stern and Epilogue

Karmazin was resigned on May 2004, due to many differences with Redstone.[3] Karmazin later said he didn't get along with Redstone and found it difficult to be "No. 2" at a company, but particularly under Redstone. The two executives continued to snipe at each other through the media even a year after Karmazin left Viacom.[4]

On December 14, 2005, in anticipation of Viacom/CBS split, Infinity Broadcasting would reverted the branding back to CBS Radio, and joined with the CBS and UPN networks, Paramount's television properties, Showtime Networks, Viacom Outdoor, Simon & Schuster, and Paramount Parks into a revived CBS Corporation. At that time, CBS Corp. spun-off the "new" Viacom, which includes MTV Networks (MTV, VH1, Nickelodeon, Comedy Central, CMT, and Spike), BET, Paramount's motion picture firms (Paramount Pictures), and Famous Music.

Redstone's National Amusements, however, retains the majority owner of both CBS Corporation and the new Viacom.

Although, Stern's final broadcast on (terrestrial) radio was on December 16, 2005, amid his contract with WXRK. He is now at Sirius XM.

Revival of Infinity

With the CBS's purchase of in 2007, the launch of in November 2008, to power AOL Radio and LAUNCHcast, and selling-off 50 radio stations in mid-sized markets to focus on larger markets; CBS Radio had been bought back the Infinity Broadcasting name as an Internet-only pop/oldies radio station under the name of "Infinity Radio", having its launched on February 3, 2009.


  1. ^ Barry, David, "Jim Hard: He Played a Part in How the West Was Won--By FM Radio," Business Journal-San Jose, April 2, 1990, p. 12.
  2. ^ Kamen, Robin, "To Infinity and Beyond: Mel Takes on CBS," Crain's New York Business, November 24, 1997, p. 1.
  3. ^ "Mel Karmazin, Champion For Howard Stern Resigns" by Corey Deitz at
  4. ^ [1] "Sirius Fun: Mel Karmazin finds new media is a lot like what he used to love," an article by Devin Leonard in Fortune magazine, November 14, 2005

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