Online retailer Overstock.com Inc. revealed Wednesday that it has appointed Joseph J. Tabacco Jr. to its board of directors. Overstock.com said Tabacco will serve as an independent director for a term that began Wednesday and will conclude in 2008. Overstock.com also said Tabacco has been named to the company's Audit and Compensation Committees. Tabacco is the managing partner of the San Francisco office of the law firm of Berman DeValerio Pease Tabacco Burt & Pucillo, Overstock.com said, adding that Tabacco also worked as a trial attorney for the U.S. Department of Justice's Antitrust Division. Overstock.com is headquartered in Salt Lake City, Utah.