Leslie joined the Atheneum in October 2011. She grew up in Summit, New Jersey and worked for the Smithsonian Institution and the Museum of Contemporary Art, Los Angeles before moving to Nantucket in 1994. Leslie earned her BA in Art History from Randolph College, and her Master of Library and Information Science from Simmons College. She started volunteering at the Atheneum in 1998 and joined its board of trustees in 1999, and it was that experience that inspired her to become a librarian. She has a daughter, Gwen.