Lieutenant Colonel Peacock grew up in a small town in rural Colorado and received his commission in 2009 from the United States Military Academy. He holds a Bachelor of Science in Information Technology, a Master of Business Administration from the University of Oregon, and a Master of Arts in Military Operations from the School of Advanced Military Studies (SAMS). His military education includes the Armor Officer Basic Course, the Military Intelligence Captains Career Course, and the Command and General Staff Officer Course (CGSOC). 

Prior to the 229^th Military Intelligence Battalion, Lieutenant Colonel Peacock served as an intelligence plans officer at United States Central Command (USCENTCOM), where he supported OPERATION EPIC FURY and OPERATION MIDNIGHT HAMMER.

Before USCENTCOM, Lieutenant Colonel Peacock served at Camp Humphreys, South Korea as the Operations Officer for the 719th Military Intelligence (MI) Battalion (BN), 501st Military Intelligence Brigade-Theater (MIB(T)). The year prior, he was the Theater Analysis and Control Element Chief within the 532nd MI BN, 501MIB(T) where he worked side-by-side with our Korean Allies. Before that, Peacock worked as a G5 Plans Officer within Eighth Army.  

Prior to attending CGSOC and SAMS, Lieutenant Colonel Peacock served as the Company Commander of C Company, 2d MI BN, 66th MIB(T) in Wiesbaden, Germany. Before company command, he was the Communications Officer (S6) for 2d MI BN. 

Before transferring to Military Intelligence, Lieutenant Colonel Peacock served as an Armor Officer and was assigned to 4th Squadron, 10th U.S. Cavalry Regiment, 3rd Armored Brigade Combat Team, 4th Infantry Division at Fort Carson, Colorado. He served as the S2 for the B Troop Security Force Assistance Team, deploying in support of OPERATION ENDURING FREEDOM. Prior to that, he was the Executive Officer for Headquarters and Headquarters Troop. He also deployed as part of OPERATION IRAQI FREEDOM and OPERATION NEW DAWN as a Scout Platoon Leader. 

Lieutenant Colonel Peacock’s awards and decorations include the Bronze Star Medal (1 OLC), Defense Meritorious Service Medal, Meritorious Service Medal (1 OLC), Afghanistan Campaign Medal (1 service star), Iraq Campaign Medal (2 service stars), the Combat Action Badge, and the Air Assault Badge. 

He and his wife Emily have been married for fifteen years.