Senior Staff

Chief of Staff

Major General Megan P. Tatu

Major General Megan P. Tatu

Chief of Staff, Army Reserve

Major General Tatu graduated from the University of California at Los Angeles where she attended on an Army Reserve Officer Training Corps scholarship. She earned a Bachelor of Arts degree in Political Science and was commissioned in the Signal Corps.

Throughout her more than 30 years active and reserve service, she has commanded at every echelon, from platoon to Division-level with duty in Germany, Iraq and the United States. She began her active military service as the signal platoon leader, 2/57 Air Defense Artillery Battalion, Ansbach, Germany and became the Executive Officer, Delta Company, 11th Air Defense Signal Battalion, Kaiserslautern, Germany. She later served as the Battalion Motor Officer, 5th Signal Battalion, Ft. Polk, Louisiana, followed by her assignment as the Chief, Testing Management, Military Entrance and Processing Station, Los Angeles, California.

Major General Tatu's principal staff assignments have been as the Detailed Inspector General, 311th Corps Support Command in Los Angeles, California; Division Chief, Reserve Personnel, 63D Regional Support Command, Los Alamitos, California; Chief, Individual Training and Assistant Deputy Chief of Staff, Training, 63D Regional Support Command; and Deputy Chief of Staff, G3, 63D Regional Readiness Command. In June 2006, she mobilized and deployed as the Commander, 164th Corps Support Group in support of OPERATION IRAQI FREEDOM 06-08. Upon return from theater, she served as the Deputy Commanding General, 311th Signal Command (Theater), Ft. Shafter, Hawaii. She also served as the Commander, Pacific Training Division, 75th Training Command (Mission Command) at Camp Parks, California, responsible for Mission Command Staff Training of military units for deployments and other missions. Prior to her assignment as the US Army Reserve Command Chief of Staff, she served as the Commanding General of the 79th Sustainment Support Command. Major General Tatu served on the Secretary of the Army’s Army Reserve Forces Policy Committee from 2010-2013.

Her military education includes the Signal Officer Basic and Advanced Courses, Command and General Staff College, the Inspector General Course, the Army War College and CAPSTONE. Major General Tatu’s awards and decorations include an Army Distinguished Service Medal, two Legion of Merit Medals, the Bronze Star Medal, five Meritorious Service Medals, the Iraq Campaign Medal, and the Global War on Terrorism Expeditionary Medal, among others.

Major General Tatu and her husband of over 30 years, Mike, have three grown sons; Glendon, Colin and Shane. Their middle son, Colin, is a Specialist in the Army, currently serving with the 4th Brigade Combat Team (Airborne), 25th Infantry Division, Joint Base Elmendorf-Richardson, Alaska.

Director of the OCAR Staff

Robert D. Harter

Brigadier General Robert D. Harter

Director of the OCAR Staff

Brigadier General Robert D. Harter, a native of both Alaska and Virginia, was commissioned in the Field Artillery Corps in 1988, after graduating from Virginia Tech with a Bachelor of Arts degree in Business and Communications. He also holds a Masters in Strategic Studies from the National War College.

Brig. Gen. Harter assumed responsibilities as Director of the Staff for the Office of the Chief of Army Reserve (OCAR) on Nov. 9, 2015. He was previously assigned as the Army Reserve Senior Representative to the 39th Army Chief of Staff of the Army Transition Team. As the Director of the OCAR Staff, Brig. Gen. Harter is responsible for synchronizing the actions of the 400-person Army Reserve Headquarters based at Fort Belvoir, Va., in support of the Chief of Army Reserve’s priorities.

Brig. Gen. Harter’s active duty assignments include the 11th Armored Cavalry Regiment, Bad Hersfeld, Germany, where he participated in multiple border security missions before the fall of the Berlin Wall and German reunification, and deployed to Saudi Arabia and Kuwait in support of Operation Desert Storm; the 101st Corps Support Group, where he served as a Group Maintenance Officer and Battalion Operations Officer; Commander, 584th Direct Support Maintenance Company, Fort Campbell, Ky.; and as an instructor at the Ordnance (Ammunition) Officer Basic and Advanced Courses, Redstone Arsenal, Ala.

Brig. Gen. Harter transferred to the Active Guard Reserve program in 1999. His AGR assignments include: Training Chief for Readiness, 99th Regional Readiness Command, Pittsburgh, Pa.; Support Operations Officer, 55th Sustainment Brigade, Fort Belvoir, Va.; Distribution Management Chief, 316th Expeditionary Sustainment Command, mobilized to Iraq in support of Operation Iraqi Freedom; Branch Chief, Force Protection Branch, Joint Staff J8, Force Structure, Resources, and Assessment, Washington, D.C.; Executive Officer, Office of the Chief of Army Reserve, Washington, D.C.; and Assistant Chief of Staff, Office of the Chief of Army Reserve, Fort Belvoir, Va.

Brig. Gen. Harter’s awards include the Legion of Merit, the Bronze Star, the Defense Meritorious Service Medal, and the Parachutist and Air Assault badges. He is a graduate of the Field Artillery Officer Basic Course, Ordinance Officer Advanced Course, Combined Arms and Services Staff School, Command and General Staff College and the National War College. Brig. Gen. Harter and his wife have been married more than 26 years and they have three children.

Director, Human Capital

Guy Sands-Pingot

Mr. Guy Sands-Pingot

Director, Human Capital

Mr. Guy Sands-Pingot is the Director, Human Capital, United States Army Reserve. He was selected for the Senior Executive Service in May 2010 following his service as the Assistant Inspector General for Inspections and Strategic Planning for the Office of the Special Inspector General for Afghanistan Reconstruction from December 2008 through May 2010. He followed that assignment as Deputy to the Commander of US Army North, Fort Sam Houston, Texas until he assumed his next position as Principal Deputy, Assistant Chief of Staff for Operations and Logistics, G 3/4, Headquarters, Army Material Command in July 2011 which he served in until he assumed his current position as Director, Human Capital (OCAR/USARC) in March 2014. In his current position he exercises leadership and policy responsibility for developing and executing strategic level human capital policies, plans, and programs for the Army Reserve. He also exercises executive oversight over human capital activities that the Army Reserve conducts with major subordinate command headquarters as well as coordination with external agencies and organizations for personnel management, policy development, recruiting and retention, strength accountability, and readiness.

USARC, G-3/5/7

Michael J Warmack

Brigadier General Michael J. Warmack

USARC, G-3/5/7

Brigadier General Michael J. Warmack is currently serving as the Deputy Chief of Staff, G-3/5/7, United States Army Reserve Command.

BG Warmack’s previous General Officer assignments include Deputy Commanding General – Effects, 1st Special Forces Command (Airborne) and Deputy for Operations, Office of the Defense Representative, Pakistan. BG Warmack is a graduate of Winston Churchill High School in Potomac, Maryland and a 1986 graduate of the University of Maryland.

Commissioned as an Infantry Officer, BG Warmack served 8 years in airborne and mechanized units to include Company Command and a deployment to Operation DESERT SHIELD and DESERT STORM. Designated FA 39 Civil Affairs (CA), BG Warmack served in Army Special Operations Command troop unit assignments in various positions to include CA Team Leader, Company Commander, Battalion Operations Officer, Battalion Commander, and Brigade Commander.

Assigned to Special Operation Command, he served dual-hatted as the Special Operations Team Chief and Senior Military Advisor to U.S. Agency for International Development (USAID).

BG Warmack deployed twice in support of OPERATION ENDURING FREEDOM serving first as the C9 Civil Military Operations Principle in the Coalition Joint Civil Military Operations Task Force and most recently as the Director of Civil Military Plans and Operations, Region Platform South, Department of State.

In support of OPERATION IRAQI FREEDOM, BG Warmack served as the Deputy Commander Task Force Seminole assigned to the Coalition Force Special Operations Command.

BG Warmack has conducted or supported civil-military engagement in multiple countries worldwide, to include extensive experience integrating the elements of national power (Diplomacy, Informational, Military, and Economic), as well as leading interagency collaborative problem solving at all levels.

BG Warmack’s education includes a Bachelor of Arts in Political Science from the University of Maryland, a Master of Science in National Resource Strategy from the National Defense University; Master of Arts in National Security and Strategic Studies at the Naval War College; and a Master of Science in International Relations from Troy State University.

BG Warmack’s personal decorations include the Defense Superior Service Medal, the Legion of Merit (2 Awards), Bronze Star (3 awards), Defense Meritorious Service Medal, Meritorious Service Medal (2 Awards), Joint Service Commendation Medal, Army Commendation Medal (2 Awards), Joint Service Achievement Medal and the Army Achievement Medal (3 Awards).

He also holds the Combat Infantryman Badge, Expert Infantryman Badge, Master Parachutist Badge, Air Assault Badge and the Ranger Tab.

BG Warmack’s interagency awards include the Meritorious Honor Award from both DOS and USAID.

BG Warmack is married to the former Laura DeAtkine with two children; Marlena and Brendan.



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