- Dean and Professor in the Harris School of Public Policy Studies
O'Muircheartaigh is an internationally recognized authority on survey sampling. His research spans the topics of measurement errors in surveys, cognitive aspects of question wording, and latent variable models for nonresponse. He is Vice President for Statistics and Methodology in the National Opinion Research Center. O'Muircheartaigh is an associate editor of the Journal of the Royal Statistical Society (Series A), and a member of the editorial committees of the Journal of Applied Statistics, Statistics in Transition, and the Journal of Official Statistics. Formerly president of the International Association of Survey Statisticians and a council member of the International Statistical Institute, O'Muircheartaigh is actively involved in these and other professional organizations. A fellow of the Royal Statistical Society since 1968, he was elected a fellow of the American Statistical Association in 1992 and is currently an elected member of its Council of Sections. He has published widely, most recently in the Public Opinion Quarterly, the Journal of Statistical Planning and Inference, the Journal of the Royal Statistical Society, the Journal of Official Statistics, and Quality and Quantity. He has taught statistics and survey sampling at the London School of Economics and Political Science at the Summer Institute of the University of Michigan's Institute for Social Research.