Graham Kalton has been a research professor at JPSM since the program was founded in 1993. He retired in 2019 from positions as Senior Vice President and Senior Statistical Fellow at Westat where he had worked for 27 years. Prior to joining Westat, he was a research scientist at the Survey Research Center of the University of Michigan for 12 years, also holding titles of Professor of Biostatistics and Professor of Statistics. Before that, he was Leverhulme Professor of Social Statistics at the University of Southampton and Reader in Social Statistics at the London School of Economics. Dr. Kalton has wide-ranging interests in survey methodology, and he has published on several aspects of the subject. He is a Fellow of the American Statistical Association, a Fellow of the American Association for the Advancement of Science, an elected Member of the International Statistical Institute, and a recipient of the Jerzy Neyman medal from the Polish Statistical Association.