Judy Altmaier

Director

Judy L. Altmaier has served as a director of Allison Transmission Holdings, Inc. since February 2019. Ms. Altmaier, age 57, served as the President of Exmark Manufacturing Co, a subsidiary of The Toro Company, from 2013 until her retirement in January 2019. Prior to that, she was Vice P

Stan A. Askren

Director

Stan A. Asken has served as a Director of Allison Transmission Holdings, Inc. since March 2016. Mr. Askren, age 58, is currently CEO and Founder of Quiet Trail Advisors, a private senior level strategy and lean business advisory practice. He serves as an advisor and lean business consu

Lawrence E. Dewey

Chairman

Lawrence E. Dewey has served as a Director of Allison Transmission Holdings, Inc. since August 2007. Mr. Dewey, age 62, currently serves as Chair of the Board. Mr. Dewey served as Chair and Chief Executive Officer of Allison from January 2016 until his retirement as CEO in June 2018. P

David C. Everitt

Director

David C. Everitt has served as a director of Allison Transmission Holdings, Inc. since August 2014. Currently retired, Mr. Everitt, age 66, most recently served as Interim Chief Executive Officer of Harsco Corporation from February 2014 to August 2014. Prior to that, Mr. Everitt had bee

Alvaro Garcia-Tunon

Director

Alvaro Garcia-Tunon has served as a Director of Allison Transmission Holdings, Inc. since January 2016. Mr. Garcia-Tunon, age 66, retired as the Chief Financial Officer of Wabtec Corporation, or Wabtec, a provider of products and services for the global rail industry, effective January

David S. Graziosi

Director, President and Chief Executive Officer

David S. Graziosi has served as a director of Allison Transmission Holdings, Inc. since May 2018. Mr. Graziosi, age 53, serves as President and Chief Executive Officer of Allison, a postion he has held since June 2018. Prior to that, Mr. Graziosi served as President, Chief Financial Off

Carolann I. Haznedar

Director

Carolann I. Haznedar has served as a Director of Allison Transmission Holdings, Inc. since November 2018. Ms. Haznedar, age 59, held various positions with E.I. du Pont de Nemours and Company from 1981 until her retirement in June 2016. Most recently, she served as Senior Vice President

Richard P. Lavin

Director

Richard P. Lavin has served as a director of Allison Transmission Holdings, Inc. since March 2016. Mr. Lavin, age 66, served as President and Chief Executive Officer of Commercial Vehicle Group, Inc. or Commercial Vehicle, a leading global supplier of a full range of cab-related systems

Thomas W. Rabaut

Director

Thomas W. Rabaut has served as a Director of Allison Transmission Holdings, Inc. since August 2007. Mr. Rabaut, age 70, currently serves as an Operating Executive for The Carlyle Group, a global alternative asset management firm, and has held that position since 2007. In that capacity,

Lieutenant General (retired) Richard V. Reynolds

Director

Richard V. Reynolds has served as Director of Allison Transmission Holdings, Inc. since November 2010. Lieutenant General, United States Air Force (retired) Reynolds, age 70, is owner and principal of the VanFleet Group, LLC, an aerospace consulting company, and has served in that capa