Twin Falls, Idaho ( KMVT-TV / KSVT-TV ) - Jeff Williams, the President and CEO of Glanbia Foods has announced that he will be retiring in January 2015 after 25 years of service. The past 11 years, Williams has been President and CEO of the U.S. Cheese operation. Williams will remain with Glanbia as a consultant.  In his time as President and CEO of Glanbia Foods USA, Jeff has overseen and lead significant growth and development of Glanbia’s cheese business as the company built its #1 position in the American Style Cheese Manufacturer.