Kathy Yates,

Published on .

Why:In December 2007, D&B acquired for $5 million. The deal brought together's extensive business information—including articles, videos, blogs and agreements—with the wealth of data provided by D&B, whose subsidiaries include Hoover's and First Research . Yates, previously president-COO of, joined in July 2005 and was promoted to CEO in January 2007.
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