After that, she collaborated intensely with choreographers, visual artists and musicians such as Tristan Honsinger, Frans Poelstra, Mark N Tompkins, and David Zambrano.
There she developed a series of "dialogues" in interdisciplinary projects with dancers, musicians and visual artists (Nasser Martin-Gousset, Takako Suzuki, Charlotte Zerbey, Ákos Hargitai).
In 1999, Waltz took over as artistic director at Schaubühne am Lehniner Platz in Berlin alongside Thomas Ostermeier, Jens Hillje and Jochen Sandig.
She further explained that she thinks important lessons should be drawn from the global crisis, with crucial implications for humanity, ecology, and culture.
In New York she worked as a dancer in the companies of Pooh Kaye, Yoshiko Chuma & School of Hard Knocks and Lisa Kraus.
During her training in Amsterdam and New York she created her first Sasha Waltz's choreographies, among them: Das Meer in mir (1985), Gold Dust (1986), How come we go (1987), Schwarze Sirene (1987) and Rifle (1987).
In 1992, Waltz received a scholarship from the Künstlerhaus Bethanien in Berlin as an Artist-in-residence It was in that context that she created her first of five dialogues in collaboration with the dancers Frans Poelstra, Nasser Martin-Gousset, Takako Suzuki, Kitt Johnson, Carme Renalias and David Zambrano, as well as the musicians Tristan Honsinger, David Moss, Dietmar Diesner, Sven-Åke Johansson, and Peter Hollinger.