This spring, Rachel Mattson, PhD, will join the University of Minnesota Libraries as curator of the Tretter Collection in Gay, Lesbian, Bi-Sexual, and Transgender Studies. She is the founder of the Digital Library Federation's interest group in Government Records Transparency & Accountability, a member of the team that organizes Endangered Data Week, and a core member of the XFR Collective. She is currently coediting a special issue of KULA: Knowledge Creation, Dissemination, and Preservation Studies on “Endangered Knowledge.”