Stan A. Askren

Director

Stan A. Asken has served as a Director of Allison Transmission Holdings Inc. since March 2016. Mr. Askren, age 56, has been the Chairman and Chief Executive Officer of HNI Corporation since 2004 and the President of HNI Corporation since 2003. Prior to his appointment as President of H

Lawrence E. Dewey

Chairman

Lawrence E. Dewey has served as a Director of Allison Transmission Holdings Inc. since August 2007. Mr. Dewey, age 60, joined Allison in February 1989. Mr. Dewey currently serves as the Chairman and Chief Executive Officer of Allison and has served in that capacity since January 2016.

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 64, most recently served as Interim Chief Executive Officer of Harsco Corporation from February 2014 to August 2014. Prior to that, Mr. Everitt had been

Alvaro Garcia-Tunon

Director

Mr. Alvaro Garcia-Tunon has served as a Director of Allison Transmission Holdings Inc. since January 2016. Mr. Garcia-Tunon, age 64, retired as the Chief Financial Officer of Wabtec Corporation, or Wabtec, a provider of products and services for the global rail industry, effective Janu

David S. Graziosi

Director, President and Chief Executive Officer

Mr. Graziosi serves as President, Chief Financial Officer and Assistant Secretary of Allison Transmission, a position he has held since January 2016. Prior to that he had served as Executive Vice President, Chief Financial Officer, Treasurer and Assistant Secretary since joining Allison

Judy Altmaier

Director

Judy Altmaier 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 President, Operations and Quality Management of The Toro Company from 2009 until 2013. Before joining Toro, Ms.

William R. Harker

Director

William R. Harker has served as a director of Allison Transmission Holdings Inc. since May 2017. Mr. Harker, age 44, is President and Co-Founder of Ashe Capital Management, LP, a position he has held since 2013. Before establishing Ashe in 2013, Mr. Harker worked at ESL Investments, Inc

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 64, 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 68, currently serves as an Operating Executive for The Carlyle Group and has held that position since 2007. In that capacity, he has fulfilled a number of executive roles

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 68, is owner and principal of the VanFleet Group, LLC, an aerospace consulting company and has served in that capacit