AAR announced that its Board of Directors has appointed Sean Gillen as Vice President and Chief Financial Officer, effective January 7, 2019. Mr. Gillen will succeed Michael Milligan and will report to President and Chief Executive Officer John Holmes. He will have responsibility over the financial, accounting, tax, treasury and investor relations functions at AAR.

Mr. Gillen joins AAR from USG Corporation, a construction materials company based in Chicago with annual net sales of $3.2 billion, where he served as Vice President and Treasurer. Prior to USG, Mr. Gillen spent nine years in investment banking with Goldman Sachs in their Global Industrials Group.