Brigadier General Peter Fiorentino entered basic training in 1987. He spent eight years enlisted before commissioning in 1996 as a Second Lieutenant in the Field Artillery. He then served in every key Field Artillery assignment culminating as the Battalion Commander of the 1st Battalion, 101st Field Artillery from 2017 to 2019.
He deployed in support of Operation Iraqi Freedom with the 1st Battalion, 102nd Field Artillery (RAOC), assigned to Joint Task Force 134, Detainee Operations from 2004 through 2005.
BG Fiorentino is currently assigned as the Deputy Commanding General for Maneuver for the 42nd Infantry Division. His previous assignments include Deputy Commanding General for Sustainment for the 42nd Infantry Division from 2023 to 2025, Commander of the 51st Troop Command from 2021 to 2023 and Commander of the 151st Regional Support Group from 2019 to 2021.
He holds a master’s degree in International Relations from Salve Regina University, Newport, Rhode Island and a master’s degree in Strategic Studies from the United States Army War College, Carlisle Barracks, Pennsylvania.
His awards and decorations include the Legion of Merit with one Bronze Oak Leaf Cluster, Defense Meritorious Service Medal, Meritorious Service Medal with four Bronze Oak Leaf Cluster, Army Commendation Medal with two Bronze Oak Leaf Cluster, Air Force Commendation Medal with two Bronze Oak Leaf Cluster, the Army Achievement Medal with one Bronze Oak Leaf Cluster, the Iraqi Campaign Medal, the Army Service Ribbon, the Combat Action Badge and the Ancient Order of Saint Barbara.
BG Fiorentino also works as an Assistant Adjutant General for the Commonwealth of Massachusetts Military Division.
He resides in Cumberland, Rhode Island with his wife Monique and their children Sienna and Carson.