By Alexei Oreskovic SAN FRANCISCO (Reuters) - Google Inc's chief business officer, one of Chief Executive Officer Larry Page's key lieutenants and the company's main liaison to Wall Street, is leaving the Internet search company, the latest high-ranking executive to depart. Nikesh Arora, who joined Google nearly a decade ago, will move to Japan's SoftBank Corp as vice chairman, according to a post by Page on the Google+ social network. Omid Kordestani, who has led sales teams at Google for years, will take over in the interim, marking the latest change to Google's senior leadership in past months. Android operating software boss Andy Rubin stepped aside last year, and Salar Kamangar, head of the YouTube video website, was succeeded in February by longtime Google ad executive Susan Wojcicki.



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