Kalliopi Mathios has a BSEd in Elementary Education from Loyola University Chicago with middle school endorsements in history and English. She taught in the Chicagoland area for four years before completing her MLIS at the University of Illinois Urbana-Champaign in 2014. Before joining Teachers College, Kalli worked as a MyLibraryNYC school outreach and supervising librarian, and as a collection development librarian specializing in the curation of K-12 classroom and school libraries. Through previous work with Digital Public Library of America (DPLA), and in collaboration with Brooklyn Public Library's award-winning Teacher Lab, Kalli developed an online module introducing teachers to digital archives, with best practices for classroom use. She has presented at the DPLA national conference as well as the K-12 Archives Education Institute at the National Archives in New York. Currently, she is the Acquisitions and Materials Librarian at Gottesman Libraries.