Ruth Parlin is a long-time college and law-school librarian and faculty member. She has taught undergraduate courses in constitutional law, environmental law and policy, law and society, and sociology of gender, and graduate courses in legal research methods and forensic psychology. She has taught at Green Mountain College (where she helped develop the environmental studies curriculum and served as an academic advisor), Castleton State College, Vermont Law School, John Jay College of Criminal Justice (CUNY), and the University of Miami Law School. Parlin has been a library director at Green Mountain College and Castleton State College, and a department head at the Vermont Law School and University of Miami Law School libraries. Outside of academia she has worked as a librarian, researcher, and information manager at the Vera Institute of Justice, the International Center for Transitional Justice, and (currently) at the United States Second Circuit Court of Appeals.
Parlin received a JD from the University of Pennsylvania Law School, an MSLS from the Simmons College Graduate School of Library and Information Science, and a BA in Religion from Wesleyan University in Middletown, Connecticut.