AAR Corp. names Sarah Flanagan as interim CFO, succeeding Sean Gillen

AAR Corp. (AIR) announced that Sarah Flanagan has been named the company’s Interim CFO, effective December 11, 2025. Flanagan, AAR’s Vice President, Financial Operations, will succeed Sean Gillen, who will depart AAR to pursue another opportunity outside the aviation industry. Flanagan joined AAR in 2012 and has held positions of increasing responsibility in the company’s finance organization, including Group Chief Financial Officer for the company’s largest business segment. Her financial leadership supported AAR’s growth, and in 2017, she was named an Officer of the company. Prior to AAR, Flanagan served in various FP&A, Controller, and Group CFO roles at Honeywell (HON) and as an auditor at PwC.