Charles W. Hoge, MD, Colonel, U.S. Army (Retired) directed the U.S. military's premiere research program on the mental health and neurological effects of the wars in Afghanistan and Iraq from 2002 to 2009 at Walter Reed Army Institute of Research. He deployed to Iraq in 2004 to improve combat stress care. A national expert on war-related mental health issues and traumatic brain injury, Dr. Hoge has testified to Congress and is interviewed frequently by national news organizations. His articles on PTSD, mild traumatic brain injury (mTBI), and stigma are the most frequently cited medical publications from the wars in Iraq and Afghanistan. He continues to work as a staff psychiatrist treating service members, veterans, and family members. He lives in the Washington, D.C. area.