Lieutenant General Sean Barry MacFarland is a retired three-star general who served in the United States Army.
In 2015 MacFarland, then commanding III Corps, was selected as commander of the coalition against ISIS in Syria and Iraq. MacFarland and III Corps thus became responsible for Combined Joint Task Force – Operation Inherent Resolve (CJTF-OIR). MacFarland handed over command to Lieutenant General Stephen J. Townsend and the XVIII Airborne Corps in August 2016. He became deputy commanding general and chief of staff for the United States Army Training and Doctrine Command in April 2017, and retired from active duty 27 February 2018.
Other assignments included: US Army's lead action officer for combat development of National Missile Defense interceptors at Ft. Bliss, Deputy Regimental S3 of 3rd ACR during Desert Shield/Storm, Deputy G3, 1st Infantry Division in Wuerzburg, Germany; Chief of the 3rd Army Commander's Initiative Group at Ft. McPherson, Georgia and in Kuwait during Operation Desert Thunder; Aide de Camp for the US Army Europe CG in Heidelberg and Sarajevo, Bosnia-Herzegovina; Chief of Future Operations for Combined/Joint Task Force 7 in Baghdad, Iraq; G3 of V Corps in Heidelberg, Germany; Chief of the Joint Staff J5's Iraq Division in Washington, DC; Commanding General of Joint Task Force North at Ft. Bliss, Deputy Commanding General for Leader Development and Education and the Deputy Commandant of the Command and General Staff College at Fort Leavenworth, Kansas, and was dual-hatted as Deputy Chief of Staff for Operations for the International Security Assistance Force in Afghanistan and the Deputy Commanding General for Operations for US Forces Afghanistan.
MacFarland is a graduate of the United States Military Academy, the Command and General Staff College, the School of Advanced Military Studies, and the Industrial College of the Armed Forces. He also earned a Master of Science degree in Aerospace Engineering at Georgia Tech.