A former principal dancer with the Joffrey Ballet, Leslie has danced throughout the United States, Europe, and Asia. She was featured on television in Dance in America's A Night At The Joffrey, televised on PBS, The Diana Ross Show, The Merv Griffen Show, and others. While in the Joffrey Ballet, she danced principal roles in works by Sir Frederick Ashton, Jiri Kylian, John Cranko, Mark Morris, Ben Stevenson, Glen Tetley, and Twyla Tharp, amongst others. During her career, leading roles were created for her by Robert Joffrey, William Forsythe, Gerald Arpino, Ib Anderson, Christopher d'Amboise, Dwight Rhoden, and many others.
As a former Principal Dancer with the Pennsylvania Ballet, Leslie danced leading roles in The Nutcracker, Swan Lake, Coppelia, Giselle, The Sleeping Beauty, and Cranko's Romeo and Juliet, as well as an extensive repertoire of the ballets of George Balanchine.
Leslie is a former adjunct professor of ballet at Bryn Mawr College, Pennsylvania, as well as a former invited faculty member at many nationally and internationally recognized schools, including The Rock School in Philadelphia, and the Finnish National Ballet School in Helsinki, Finland. From 2005 to 2014, she served as Dance Institute Director, Artistic Director, Ballet Chair, and dance faculty at The Colburn School of Performing Arts in downtown Los Angeles. Leslie is an American Ballet Theater Certified teacher, as well as a Body Arts and Sciences Certified Teacher in Pilates, and Zena Rommett Floor-Barre® Certified Instructor.
Choreography credits include works for dancers of the Pennsylvania Ballet, Pasadena Dance Theatre, The Colburn School, and Finnish National Ballet School; her work was chosen for the Pacific Regional Ballet Festival, where she was awarded the National Choreography Award. Leslie is proud to be the Co-Founder of the annual Philadelphia AIDS benefit, "Shut Up and Dance". She currently serves on the Board of Directors for the arts-based learning organization, Blue Palm.