The Kroger Co. (NYSE: KR) yesterday announced that Ronald W. Burkle has resigned from the Board of Directors and from his position as chairman of the Board's Executive Committee. ``The merger agreement between The Kroger Co. and Fred Meyer, Inc. was signed more than two years ago,'' Mr. Burkle said. ``The successful integration of the two companies is progressing well ahead of schedule and I am fully confident it will continue. I am proud to have helped create the finest company in the industry and feel it is now time to concentrate on other activities.''