Dr. Samer Attar is an orthopedic surgeon with Northwestern Medicine. He has been has been on several surgical missions to Jordan and Syria with the Syrian American Medical Society and Doctors without Borders. He was the last Syrian American Medical Society (SAMS) volunteer physician out of Aleppo before the siege in July 2016. He has testified at the United Nations on the medical and humanitarian conditions in Aleppo. In 2016 he was a Chicago Magazine "Chicagoan of the Year" and was honored as a "2016 American Red Cross Global Citizenship Hero" in recognition of humanitarian work in Aleppo and advocacy for Syrian medical workers. He has been published in the New York Times, the Washington Post, the Wall Street Journal, CNN, BBC, NPR, The Lancet, and The New England Journal of Medicine.