Mr. David S. Graziosi has been the President and Chief Executive Officer of the company since 2018. Earlier, he served as the Chief Financial Officer, President and Assistant Secretary of the company from 2016 to 2018 and as Executive Vice President, Chief Financial Officer, Treasurer and Assistant Secretary of the company since 2007. Pior to this, Mr. Graziosi served as the Executive Vice President and Chief Financial Officer at Covalence Specialty Materials from 2006 and 2007. Prior to joining Covalence Specialty Materials, he held various positions, including as the Vice President of Finance Precursors and Epoxy Resins at Hexion Specialty Chemicals from 2005 to 2006 and Executive Vice President and Chief Financial Officer at Resolution Performance Products LLC from 2004 to 2005. In addition, he also worked as Vice President and Chief Financial Officer of General Chemical Industrial Products Inc, as Internal Audit Director and Assistant Corporate Controller at Sun Chemical Group BV and as a Finance Director of GenTek Inc.

Mr. G. Frederick Bohley has been the Vice President, Chief Financial Officer and Treasurer of the company since 2018. Earlier, he worked with the Finance Department of the company, where he held positions of increasing responsibility, including General Accountant, Internal Auditor, Tax Specialist, Plant Analyst, Manager of Financial Planning and Analysis and Manager of Manufacturing Analysis. Mr. Bohley also served as the National Account Executive of Marketing, Sales and Service. Prior to this, he served as Director of Latin American Operations and Director of International Marketing and Business Planning.

Mr. JK Pareek has been the Chief Information Officer and Vice President of Information Systems and Services of the company since 2021. Prior to joining Allison, JK served as the Vice President of Global IT and Chief Information Officer at Nidec Motor Corporation.

Ms. Lorraine Parker Clegg serves as the Chief People Officer, and Vice president of Human Resources at the company since 2020. Prior to this, she served as Chief Human Resources Officer Doncasters Group Ltd. Previously, she also worked with Medtronic and Covidien.