Mr. John M. Holmes has been the Chairman of the company since January 2023. He also serves as the President, Chief Executive Officer, and Director of the company since 2018. Prior to this, he worked as the Chief Operating Officer, and President of the company from 2017 to 2018. He served as the Chief Operating Officer of the Aviation Services business group from 2015 to 2017. Mr. Holmes also served as the Group Vice President of aviation services, and inventory management and distribution from 2012 to 2015. Previously, he was the General Manager, Division President of AAR Allen Asset Management from 2003 to 2012. Mr. Holmes joined the company in 2001.

Mr. Sean Gillen has been the Vice President and Chief Financial Officer of the company since 2019. Prior to this, he served as the Vice President and Treasurer for USG Corporation from 2017 to 2019. Previously, Mr. Gillen spent nine years in investment banking, worked as the Vice President and President of Global Industrials Group at Goldman, Sachs & Co.

Mr. Eric S. Pachapa has been the Vice President, Controller, and Chief Accounting Officer of the company since 2016. Prior to this, he served as the Controller and Senior Director of financial accounting and reporting from 2014 to 2015. Previously, Mr. Pachapa was the Global Controller at Glanbia Performance Nutrition from 2011 to 2014 and worked at Ernst & Young LLP from 1996 to 2011.

Ms. Jessica A. Garascia has been the Senior Vice President, Chief Administrative Officer, General Counsel and Secretary of the company since 2022. Prior to this, she held various positions including Deputy General Counsel at USG Corp from 2013 to 2020. Previously, she served as the Attorney at Jenner & Block.

Ms. Lori A Knudson has been the Vice President and Chief Ethics and Compliance Officer of the company since 2021. Prior to this, she served as the Senior Vice President of compliance, risk and internal audit at Aegion Corporation. Previously, she worked as the Attorney of securities and corporate at Thompson Coburn.