Studies dance at the Kishibe Ballet Studio (Tokyo) and the Australian Ballet School.
2009: Lausanne Prize.

2011: Joins the Paris Opera Corps de Ballet.

2014: Promoted to "Coryphée". Silver medal at the Varna Competition. Prix du Cercle Carpeaux

2015: Promoted to "Sujet".

2016: Promoted to "Première danseuse". Prix Benois de la Danse. 2023: Hannah O'Neill is named "Danseuse Étoile" on March 2nd 2023, following the performance of Ballet impérial (George Balanchine) in which she performed the first principal soloist.