Christopher Antoun is an Assistant Research Professor with a joint appointment at the College of Information Studies (iSchool) and Joint Program in Survey Methodology (JPSM). His research focuses on using smartphones to collect population data, either through text messaging, mobile questionnaires, or apps and sensors. Before coming to UMD, he obtained his PhD in Survey Methodology from the University of Michigan and was a postdoctoral fellow at the U.S. Census Bureau.