Vodafone Group CEO Arun Sarin will step down from the top job at the mobile operator in July, the company said Tuesday.

Novell's Suse Linux at the desktop is unlikely to be popular with consumers in the next three to five years, according to Novell President and CEO Ronald Hovsepian.

Yahoo CEO Jerry Yang cited the growing online advertising market and his company's position to take advantage of that growth as reasons for shareholders to reject Microsoft's acquisition bid, he said in a letter to shareholders Wednesday.

Yahoo has not reached a decision about Microsoft's acquisition offer and is considering "a wide range of potential strategic alternatives," Yahoo CEO Jerry Yang said in an e-mail to employees on Wednesday.

EBay exceeded Wall Street's earnings and revenue expectations for its fourth quarter and, as expected, announced that Meg Whitman will step down as president and CEO at the end of March, ending a 10-year tenure at the helm of the e-commerce giant.

Ask.com CEO Jim Lanzone is quitting after six years with the company, to join a venture capital firm. His replacement, Jim Safka, currently heads Primal Ventures, the venture capital division of Ask.com's parent company IAC.

Mitchell Baker has stepped down as the CEO of Mozilla Corporation, where she helped make the Firefox Web browser a potent rival to Microsoft's Internet Explorer.

Motorola's chief technology officer has left the company, just days after Motorola announced it will replace CEO Ed Zander.

SAP said Monday that the CEO and other top executives of its TomorrowNow subsidiary have resigned and that the enterprise software maker may sell the business.

Google's plans to enter the mobile industry with a cell phone platform might have impressed many in the industry but not Steve Ballmer, CEO of Microsoft and one of Google's biggest competitors.

BEA Systems' board of directors should let company shareholders decide whether to accept Oracle's purchase offer of $17 per share, Oracle CEO Larry Ellison said Friday.

Dell Inc. CEO Michael Dell hinted Monday that his company could be shopping for more acquisition targets, and that they could be larger than the companies it has acquired to date.

Mozilla Corp. will walk away from Google Inc. and the millions it collects from the search company each year, if that's what it takes to stay independent, the open-source developer's CEO promised yesterday.

Skype's co-founder Niklas Zennstrom has handed over his CEO title to become non-executive chairman of the board of directors of this eBay Inc. unit, whose impact on its parent company remains an open question.

Apple Inc. CEO Steve Jobs said Tuesday that it's his company's job to stymie hackers who try to unlock the iPhone -- the first time the company has officially said it would fight attempts to use the popular device on unauthorized networks.

Mozilla Corp.'s CEO Thursday evening answered charges that the company is dropping development of the Thunderbird e-mail client because of its partnership with Google Inc.

For his traditional last-minute surprise near the end of the Worldwide Developers Conference keynote on Monday, Apple Inc. CEO Steve Jobs announced that the company is releasing a beta of its Safari browser that runs on the rival Windows operating system.

Siemens AG Sunday named Merck & Co. Inc.'s Peter Löscher as its new president and CEO in an effort to break with recent scandals that have plagued the company.

Motorola Chairman and CEO Ed Zander says his company is ready for competition from Apple Inc.'s iPhone, due out next month.

Intel Corp. President and CEO Paul Otellini Monday confirmed the company plans to build a US$2.5 billion chip plant in China. The plant, to be built in Dalian, on China's northeastern coast, will enter production during the first half of 2010.