John M. Holmes is chairman, president, and CEO of AAR CORP. (NYSE: AIR), a leading aviation services provider to commercial and government customers. The $2.5 billion company’s nearly 6,000 employees serve customers across more than 60 sites. Since joining AAR in 2001, Holmes has grown the company through multiple acquisitions, including Airinmar, Premier Aviation, Trax, and Triumph Group’s Product Support business. Under his leadership, AAR launched a digital services organization, earned recognition as one of America’s Greatest Workplaces, and received FAA acceptance of its corporate safety management system program. Holmes was named president of AAR in 2017, CEO in 2018, and chairman of the company’s board of directors in 2023.