David P. Storch, chairman and chief executive officer of AAR Corp. announced his plan to retire as CEO after 39 years with the Company effective May 31, 2018. AAR president and chief operating officer John M. Holmes was elected by the Board of Directors to become CEO effective June 1, 2018. Storch will continue to lead the Board as its non-executive Chairman and work alongside Holmes on business strategy, talent development and industry relations.