A native of Kansas and a graduate of the University of Kansas, Col. (Dr.) Todd E. Rasmussen received his medical school training at the Mayo Clinic in Rochester Minnesota as an Air Force Health Professions Scholar from 1989-1993. He performed his surgical training at Wilford Hall United States Air Force Medical Center on Lackland Air Force Base, Texas from 1993 to 1999.

Col. Rasmussen completed vascular surgery fellowship training at the Mayo Clinic in 2001 after which he was assigned to the National Capital Area in Washington DC. Soon after September 11, 2001, Col. Rasmussen began caring for combat injured returning to Walter Reed Army Medical Center. While in Washington he completed a two-year assignment at the nation's military medical academy (The Uniformed Services University in Bethesda) while continuing his practice at Andrews Air Force Base and Walter Reed.

In 2004 Col. Rasmussen returned to Wilford Hall in San Antonio and deployed as a surgeon to Operation Iraqi Freedom at the Air Force Theater Hospital on Balad Air Base, Iraq (2005). Following this deployment Col. Rasmussen initiated a vascular injury and hemorrhage control research program. He has completed subsequent tours of duty in Iraq (2008) and Afghanistan (2006 and 2010) as well as combat surgical teaching missions in Morocco (2006) and Pakistan (2007).

Col. Rasmussen currently serves as Chief of the San Antonio Military Vascular Surgery Service and the Deputy Commander of the United States Army Institute of Surgical Research.