Helena Thordal-Christensen was born in Copenhagen. She received her training from 2006 to 2014 at the Los Angeles Ballet School and from 2014 to 2016 at the Pacific Northwest Ballet School. She was a member of the Los Angeles Ballet under the direction of Thordal Christensen and Colleen Neary for four years, appeared as a guest in the Norwegian National Ballet and in 2019 as Odette in the musical »Anastasia« at the Palladium Theater Stuttgart. Since the 2020/21 season Helena Thordal-Christensen has been a member of the Corps the ballet with the Vienna State Ballet. She danced, among others, the fairy Miettes qui tombent in Martin Schläpfer's »The Sleeping Beauty« as well as in Schläpfer's »4«, »Symphonie Nr. 15«, »Ein Deutsches Requiem« and »The Seasons«, George Balanchine's »Symphony in C«, Jerome Robbins' »Glass Pieces«, John Cranko's »Onegin« and Frederick Ashton's »La Fille mal gardée«.