Trent Alexander is the Associate Director of ICPSR at the University of Michigan’s Institute for Social Research. He is a historical demographer and builds social science research infrastructure. Katie Genadek is a Principal Economist and in the Economic Directorate at the U.S. Census Bureau. Dr. Genadek is an economic demographer that uses the Census Bureau data for research, and she works on developing data products and infrastructure for researchers to use these data.