03/28/2008 02:46 am ET | Updated May 25, 2011

Facebook Hires Google Exec As COO

Mark Zuckerberg, Facebook Inc.'s 23-year-old chief executive, is finding that he and his company have to grow up at Internet speed. The latest sign: He has poached a top Google Inc. executive, Sheryl Sandberg, to help expand his social-networking company.

Ms. Sandberg, a six-year Google veteran who has been the search giant's vice president of global online sales and operations, will become Facebook's chief operating officer. In that role, the 38-year-old executive will try to help expand the privately held company's operations, revenue and international reach. She will also lead sales, business development, public policy and communication. Ms. Sandberg will report directly to Mr. Zuckerberg, who has been searching for a second-in-command for several months.

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