Cattleya M. Concepcion is a Reference Librarian at the Georgetown Law Library. Prior to joining Georgetown, Cattleya served as the Faculty and Web Services Librarian at the George Mason University Law Library and as an intern in the research department of the U.S. Supreme Court Library.

Cattleya earned her B.A., summa cum laude, from New York University. She holds a M.S. in library and information science from the Catholic University of America and a J.D., with honors, from George Mason University School of Law, where she was Senior Research Editor of the George Mason Law Review. 

She is a member of the American Association of Law Libraries and of the bar of Virginia. She is also an editor of the Green Bag Almanac & Reader.