Murphy is a graduate of the Army War College and was the commander of the 27th Brigade Special Troops Battalion during a deployment to Kuwait in 2012.
Murphy, is a 1991 graduate of Siena College where he majored in political science. He was commissioned as a lieutenant in the Field Artillery in 1992.
He has served as a platoon leader, company commander, battalion operations officer, and at the brigade and division staff level.
During his military career he has participated in overseas exercises in Iceland, Great Britain, and Japan. He served as operations officer of the 1st Battalion 69th Infantry in Iraq in 2004/2005.
Murphy is a graduate of the Armor Officer Basic, Infantry Officer Advanced, Engineer Officer Advanced courses and the US Army Command and General Staff College for Intermediate Learning Education (ILE His awards and decorations include the Meritorious Service Medal, the Army Commendation Medal, the Coast Guard Achievement Medal, National Defense Service Ribbon, Humanitarian Service Medal, Overseas Service Ribbon, Army Service Ribbon, Army Reserve Component Overseas Training Ribbon, Army Reserve Components Achievement Medal, Armed Forces Service Ribbon, Armed Forces Reserve Medal, Combat Infantry Badge, Global War on Terrorism Expeditionary Medal, Global War on Terrorism Service Medal, and Iraq Campaign Medal.
Murphy is a resident of East Greenbush, N.Y. and has two children, a daughter Ellen, 12; and son Dennis, 10.