Sonya Gabrielian, MD, MPH, and Alex Young, MD, both of HSR&D's Center for the Study of Healthcare Innovation, Implementation and Policy at the VA Greater Los Angeles; Stefan Kertesz, MD, MSc, Affiliate Investigator with HSR&D's Center for Mental Healthcare and Outcomes Research; and Tom O'Toole, MD, Director of the VA National Center on Homelessness Among Veterans address the Housing First initiative's impact on ending Veteran homelessness.