Sheila A. Brennan is the Associate Director of the Public Projects and Research Assistant Professor at the Roy Rosenzweig Center for History and New Media (CHNM) at George Mason University. She earned her Ph.D. in U.S. history at Mason in 2010, and her dissertation, Stamping American Memory: Stamp Collecting in the U.S. 1880s-1930s was awarded the Moroney Prize for Scholarship in Postal History by the United States Postal Service. At CHNM, Brennan manages many digital projects and is the end user coordinator for the Omeka digital publishing platform. Prior to coming to CHNM in 2005, she worked as the Director of Education and Public Programs at the U.S. Navy Museum in Washington, DC for seven years. She has co-authored essays on a variety of topics on digital history and using digital tools. She has made several presentations on digital history, online collecting and archiving, and the cultural history of stamps and collecting.