She has exhibited internationally since 1990, including recent solo presentations at the Wexner Center for the Arts, Columbus, Ohio (2007); Villa Arson, Nice, France (2007); Paula Cooper Gallery, New York City (2003); Center for Contemporary Art, Ujazdowski Castle, Warsaw (1999); Centre National de la Photographie, Paris (1998); Kunsthalle Basel (1997); and the Renaissance Society at the University of Chicago (1993). In 2007, Leonard was the subject of a 20-year career retrospective at the Fotomuseum Winterthur, in Winterthur, Switzerland, which traveled to the Reina Sofía in Madrid in winter 2008.