 She is the co-founder of the Dance Notation Bureau, New York, 1940.She also founded the Language of Dance Centre (LODC) in London, England in 1967 as well as co-founding the Language of Dance Center USA in 1997.Guest's work made possible the reconstruction of several ballets such as "Pas de Six" from "La Vivandière", and "L'Après-midi d'un faune" by Vaslav Nijinsky.