Horizon Organic Holding Corporation (Nasdaq: HCOW), the nation's leading producer of organic dairy products, today announced a new United Kingdom (U.K.) management structure for 2001. Don Gaidano, Horizon Organic's current U.K. financial director, has been appointed managing director reporting to Mark Retzloff, Horizon Organic's president, International. Together with Horizon Organic's established U.K. executive team, Don will coordinate organic milk supplies, production and sales from the company's processing plants in Devon and Wales. Don has 25 years experience in the food industry, the last four of which have been with Horizon Organic in the U.S.