Leah Melani Christian is a senior researcher at the Pew Research Center for the People & the Press. She focuses on public opinion on the environment and energy and survey methodology. Christian manages survey projects, writes reports, presents research findings and plays a central role in the center’s methodological work. She worked as a survey researcher at the University of Georgia’s Carl Vinson Institute of Government and Washington State University’s Social and Economic Sciences Research Center before joining the Pew Research Center in 2008. Christian received a doctorate in sociology, with a concentration in political sociology and survey methodology, from Washington State University. She is co-author of the book Internet, Mail and Mixed-Mode Surveys: The Tailored Design Method and has published several research articles and book chapters on survey methodology. Christian discusses Pew Research Center findings in broadcast and print media, regularly presents at the American Association for Public Opinion Research’s annual conference and has taught short courses on mixed-mode surveys.