Initially trained in Classical Ballet followed by completing a BA (Hons) at the Laban centre, London. A member of Transitions Dance Company ́95 she later worked as a dancer for choreographers including, Liz Aggiss, Jeremy James, Vicente Saez amongst others. In 2002 she initiated Stammer productions in Glasgow to support her artistic production in the fields of choreography, performance and curation. Since 2006 Sadler’s dance works have been shown Internationally in numerous contexts for dance and visual arts including at Performatik festival Kaai theatre Brussels, ImpulsTanz Vienna, South Bank Centre London, TRAMWAY, OGR Turin, Tanz Im August Berlin , Tokyo Festival, Nottingham Contemporary (alongside the British Art Show) Les Lattitudes Contemporains France, Dusseldorf Visual arts Quadriennale and South Bank Centre London amongst others. She was part of the British Council Showcase August 2019 with her works Learning from the future and RITUALIA (a commission for Scottish Dance Theatre) In 2019 she worked on FUTURELAND for director Lola Arias at Maxim Gorki Theatre Berlin. Since 2016, Sadler has been developing "Present Futures", a cycle of curatorial events exploring themes of speculative futures and post-humanism in collaboration with CCA Glasgow. Her latest work "ARK 1" was premiered as part of Tanz Im August Internationales festival Berlin 2021.