Ms Margarita Karger is a Biodanza educator and facilitator, neuro-educator, licensed speech therapist with specialization in speech therapy for teachers, actors and broadcasters. University professor of oral expression at the National school of performing arts of A. C. Cabanellas, Argentina, professor at the Buenos Aires University.Ms Karger pioneered the development and dissemination of all over the world by the hand of her teacher Master Rolando Toro Araneda.Ms Karger moved to Spain 40 years ago and founded the Biodanza School of Madrid.