In addition, the San Mateo, Calif.-based company announced the addition of Tracy Martin, former Yahoo and Knight Ridder Digital executive, as chief financial officer.

Kramer is senior advisor at Polaris Venture Partners, a national venture capital firm with over $3 billion under management. From March 2005 until November 2006, he was the first president of CBS Digital Media, a new division he created to integrate all new media operations for the network.

Prior to joining CBS, Kramer was chairman, CEO and founder of MarketWatch, Inc. (CBS MarketWatch) until its sale to Dow Jones in January 2005. Kramer was also vice president of Data Broadcasting Corp., following its acquisition of his company, DataSport, Inc. Previously, Kramer spent more than 20 years in journalism as an award-winning reporter and editor for the San Francisco Examiner, The Washington Post and the Trenton (N.J.) Times.

Martin previously was vice president of operations, finance at Yahoo Inc. Previously, he was senior vice president, operations and chief financial officer at Knight Ridder Digital, where he was responsible for the company's 31 Web sites, in addition to management of all financial functions of the company's online operations. Before Knight Ridder Digital, Martin was CFO for Red Herring Communications and corporate controller for NeoMagic Corporation. Martin also held various senior finance positions at Apple Computer and was a senior auditor at Price Waterhouse.

--Tanya Irwin

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