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Biography PhotoLawrence E. Dewey

Lawrence E. Dewey has served as a director of Allison Transmission Holdings Inc. since August 2007. Mr. Dewey, age 61, served as Chairman and Chief Executive Officer of Allison from January 2016 until his retirement in May 2018. Prior to that, Mr. Dewey had served as Chairman, President and Chief Executive Officer since the sale of Allison in August 2007. Prior to the sale, Mr. Dewey served in various capacities at Allison, including as President of Allison, a role he assumed in 2000; worldwide Director of Marketing, Sales and Service, Managing Director of Allison Transmission Europe, B.V., based in The Netherlands; Central Region (U.S.) Sales Manager; Marketing Manager; Manager of Aftermarket Products; and Production Manager. From 2003 until 2007, concurrent with his role as President of Allison, he took on the responsibilities of Group Director of Marketing, Sales, Brand Management and Customer Support for General Motors Powertrain group. Before joining Allison, Mr. Dewey held several positions of increasing responsibility in General Motors’ Diesel Equipment Division and Rochester Products Division. He began his career in 1974 as a General Motors co-op student at General Motors Institute (now Kettering University), graduating Summa Cum Laude. Mr. Dewey earned his Master in Business Administration with honors from the Harvard Graduate School of Business.