Andrea Mazzarino cofounded Brown University’s Costs of War Project. She is an activist and social worker interested in the health impacts of war, who has held various clinical, research, and advocacy positions, including at a Veterans Affairs PTSD Outpatient Clinic, with Human Rights Watch, and at a community mental health agency. She is the coeditor, with Catherine Lutz, of War and Health: The Medical Consequences of the Wars in Iraq and Afghanistan (NYU Press, 2019).