San Francisco—AllBusiness.com (www.allbusiness.com
), an online resource for small and midsize businesses, on Monday named Kathy Yates CEO. Yates succeeds Peter Horan, who has accepted a new position as CEO of IAC media and advertising. Yates joined AllBusiness.com in 2005 as COO. She was previously president-COO of MarketWatch.com, where she guided the sale of the company to Dow Jones & Co. for $519 million in January 2005.