nternational Shipholding Corporation has announced the retirement of William H. Harrison, a veteran of 44 years with Waterman Steamship Corporation and its affiliates, effective June 30, 2008. Nicolas Walker will assume the duties of in his new capacity as director of compliance for LMS Shipmangement, Inc. During his tenure with the company, Harrison held positions as port engineer, construction representative, district superintendent in , marine superintendent, fleet manager, vice president and senior vice president.