Peter Lynn is Professor of Survey Methodology at the Institute for Social and Economic Research (ISER), University of Essex. ISER is one of the leading research centres in the world for longitudinal survey methods and Professor Lynn has headed the survey methods programme at ISER since he joined Essex in 2001. Professor Lynn has published more than 50 articles on survey methods topics in top scientific journals, mostly on topics specific to longitudinal surveys, in addition to numerous book chapters, reports and other articles. He is Editor of the 2009 Wiley book, Methodology of Longitudinal Surveys, to which the current book is intended as a sequel, as well as the 2015 Routledge book, "Improving Survey Methods." Professor Lynn has worked in the field of survey methods for nearly 30 years and has specialised in longitudinal surveys for more than half of that time. He is currently co-investigator of Understanding Society: the UK Longitudinal Household Study, a major data resource in which the ESRC has to date invested nearly £100M, and is President-elect of the International Association of Survey Statisticians. He has extensive editorial experience with both books and journals and in 2005 was the founding editor of Survey Research Methods, which is now one of the leading journals in the field. His full CV is attached as an annex to this document.