Aaron Tobian, MD, PhD, is a Professor of Pathology, Medicine, Oncology and Epidemiology at The Johns Hopkins University School of Medicine and Bloomberg School of Public Health. He is also Deputy Director for Clinical Affairs in the Department of Pathology and Director of Transfusion Medicine Division at Johns Hopkins Hospital. Dr. Tobian divides his time between research and clinical service. Dr. Tobian has been highly involved with the transfusion medicine community. He currently serves on the AABB Board of Directors. He is an Associate Editor for the Journal of Clinical Apheresis, Section Editor for UpToDate, and sits on the Editorial Board for the journal TRANSFUSION. Dr. Tobian is the founding Editor-in-Chief of the website Transfusion News; a site which provides weekly updates on the latest studies within the transfusion community as well as interactive transfusion medicine questions three times a week. Dr. Tobian also has an established global research program that studies HIV and other adverse events associated with transfusion. Over the past 15 years, Dr. Tobian has lived or worked in five developing countries. He has authored more than 250 peer-reviewed articles in journals including The New England Journal of Medicine, JAMA, Lancet, Blood and TRANSFUSION. His work has also been featured on the NBC Today Show, BBC World Service, National Public Radio, USA Today and other media outlets.