Infinity Broadcasting Corporation

Infinity Broadcasting Corporation
Industry Radio broadcasting, Outdoor advertising
Fate Reverted back to CBS Radio
Successor CBS Radio
Founded 1972
Founder Michael A. Wiener
Gerald Carrus
Defunct 2005
Headquarters New York City, New York, USA
Area served
United States
Key people
Mel Karmazin
Owner CBS Corporation (1997-2000)
"Original" Viacom (now CBS Corporation) (2000-2005)
Parent Westinghouse Electric (1997-2000)
National Amusements (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 associated with popular radio personalities like Opie and Anthony, Howard Stern, Don Imus and Mike Francesa. Infinity merged with CBS Corporation in 1997 and later became part of Viacom in 2000, when CBS and Viacom merged. After the Viacom split in 2005, Infinity changed its name to CBS Radio.


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 Bay Area, and finally received its license by the Federal Communications Commission (FCC) a year later.[1] In 1979, Infinity acquired WBCN in Boston.

In 1981, Mel Karmazin was bought in as new president. Karmazin oversaw the operation of New York's WNEW-AM (now WBBR) and WNEW-FM for Metromedia. Soon after, the company acquired fellow New York stations WNEW-FM, WKTU (now WBMP; the present-day WKTU is owned by iHeartMedia), 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 publicly traded company in 1986. Within a year, it 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 to a private company in the late 1980s, but it became a public company again in 1992. In 1993, Infinity was expanded to 22 radio stations.

Merger with CBS and Viacom

As a result of the Telecommunications Act of 1996, which loosened ownership restrictions of broadcast stations, Infinity was able to quickly acquire more stations, owning over 75 at the time of the merger with...

In 1997, it was announced that Westinghouse Electric Corporation (which owned CBS) would acquire Infinity Broadcasting. Karmazin had attempted to acquire CBS, but Michael Jordan, CEO of Westinghouse, 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 the CBS television network.

Shortly after, Westinghouse sold its non-broadcasting assets and renamed itself as CBS Corporation. In 1998, CBS decided to spin 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. 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, and it retained 80% ownership of Infinity. At that same year, Infinity acquired Outdoor Systems and renamed it Infinity Outdoor.

Under the new ownership by Viacom, Infinity acquired 18 radio stations from its competitor, Clear Channel Communications (now iHeartMedia), which needed to divest them as part of its own merger with 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, making it a wholly owned subsidiary. At that time, Infinity Outdoor was separated from Infinity Broadcasting and renamed Viacom Outdoor.

Departure of Mel Karmazin and Epilogue

Karmazin 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, Infinity Broadcasting reverted to CBS Radio, and joined with the CBS and UPN networks (the latter of which would later merge with former rival network The WB to form The CW), 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, BET, and Paramount Pictures, among other assets.

Currently, the Infinity Radio name and logo is used for an online-only variety hits station on CBS Radio's streaming platform,, presumably to prevent trademark dilution.


  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. "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

External links

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