Walter Penk Editor

Nathan D. Ainspan has conducted research, written, and spoken extensively about the psychological issues impacting wounded and transitioning service members. His focus has been on improving civilian employment opportunities for returning service members and the positive impact that employment can have on service members with PTSD, TBI, and other injuries. He works with the U.S. Army as a senior personnel psychologist in Virginia.

Walter Penk has served as a Clinical and Research Psychologist at VA Medical Centers in Houston, Dallas, Boston, and Bedford, Massachusetts. He held clinical faculty appointments at medical schools: Southwestern, Tufts, Boston University, University of Massachusetts, Harvard, and now Texas A&M. He specialises in psychosocial rehabilitation and PTSD, having published 135 papers, and is co-author of Returning Wars' Wounded, Injured, and Ill and Treating PTSD Among Military Personnel.