After finishing her studies in 2001 at the University for Music and Performance Art in Frankfurt, Sita joined MS Schrittmacher at Staatstheater Oldenburg, and worked with Itzik Galili in Groningen and Krisztina de Chatel in Amsterdam.
In 2008 she joined Hofesh Shechter Company, working as a dancer, workshop leader and choreographic assistant with the company until 2018. She re-staged Hofesh Shechter's work at companies such as NDT I, Paris Opera Ballet, Ballet Basel, Staatsballett Berlin, Aterballetto Italy , Hessisches Staatsballett Wiesbaden and Staatstheater Kassel.
As a freelance choreographer she has created commissioned work for Frontier Danceland Singapore, Hessisches Staatsballett Wiesbaden, Bodhi Project Sead Salzburg, CobosMika Spain and VERVE, as well creating for universities such as Folkwang University Essen and Hochschule für Musik und Tanz Köln.
She has been the Artistic Director of her Berlin based platform, Sita Ostheimer Company since 2017, collaborating with guest dancers and a set group of music composers, light-designers and visual artists. The company's work has toured at festivals throughout the world.
In 2021, Sita Ostheimer received an Artist Prize by POOL -INTERNATIONALES TanzFilmFestival BERLIN / DOCK 11, for her ongoing work and outstanding aesthetics in choreography and film.
With her workshop series COMPLEX SIMPLICITY, she shares her philosophy and physicality world wide.