Lieutenant Colonel Greg Penfield is the Acting Chief of Staff and G3 for Leader Development and Education of the U.S. Army
Combined Arms Center at Fort Leavenworth, Kansas.
A prior service enlisted infantryman, LTC Penfield is a 1993 graduate of
the Oklahoma State University ROTC program. Branched Armor, he served
as a tank platoon leader, company executive officer, battalion S3 Air and
battalion adjutant in 3-66 Armor at Fort Hood, TX. After attending the
Armor Officer Advanced Course, he taught as an Assistant Professor of
Military Science at Southwest Missouri State University.
He next commanded two companies at Fort Lewis, Washington: A Co, 1-33
Armor and HHT, 1-14 Cavalry. Returning to Fort Knox, LTC Penfield wrote
future force concepts at the Unit of Action Maneuver Battle Lab (UAMBL)
before his selection to attend the Command and General Staff College.
He next served at Fort Lewis again as a I Corps battle major before
entering FA 59 as an Army Strategist. He deployed in support of III Corps
as the Senior Future Operations Planner for Multi-National Corps-Iraq from
OCT 06 – FEB 08.
Assigned next to Fort Leavenworth, KS, LTC Penfield served as an
Instructor in the Department of Joint, Interagency, and Multi-National
Operations before becoming the Chief of the Deputy Commandant’s
Initiative’s Group. He was subsequently selected as the LD&E G3 and
continues in that position concurrently with the Acting Chief of Staff
LTC Penfield is a graduate of the Armor Officer Basic and Advance
Courses, CAS3, and the Command and General Staff College. He also
earned a Master of Arts degree in Management and Leadership at Webster
His awards include the Expert Infantry Badge, the Bronze Star Medal,
three Meritorious Service Medals, three Joint Service Commendation
Medals, eight Army Commendation Medals, the Joint Service Achievement
Medal, five Army Achievement Medals, Iraq Campaign Medal with three
battle stars, Good Conduct Medal, Global War on Terrorism Medal,
National Defense Service Medal with two stars, and the Military
Outstanding Volunteer Medal.
LTC Penfield is married with two children.