Nelly Balloffet began her library career as a cataloger after receiving her MLS from Columbia University. She became interested in preservation and trained in book and paper conservation at the Metropolitan Museum of Art, later working with Carolyn Horton. She is founder of Paper Star Associates, Inc., a business devoted to preservation of books and works on paper. She has collaborated with Jenny Hille at numerous workshops and in writing the appendix to Emergency Planning. She has been teaching preservation for more than 25 years.