Allen Harden is a Senior Researcher at Chapin Hall. He has substantive expertise with child welfare and child protective data and technical expertise with procedures for adapting administrative data for analytic purposes. He has wide experience with the data systems used by state child welfare agencies in many states, and is incorporating information from the U.S. Census and other public-use data resources into analysis. Mr. Harden has designed and overseen many empirical projects, including a longitudinal multistate foster care data archive, an analysis of the impact of substance-affected infants on the child welfare caseload in Illinois, and an examination of the physical moves made by kinship foster children on entry to the child welfare system. He is currently working on studies of medical services being provided to populations of children at risk and on evaluation of home-visiting program reforms. He has written on a variety of foster care issues. Mr. Harden has an M.A. in Sociology from the University of Chicago.