[1] Bull gained principal status in 1992, after the company's opening performance in Japan at which she danced the role of Gamzatti in La Bayadère.

In 1995, Forsythe staged for her the first performance in the UK of his ballet Steptext, and she was subsequently nominated for a 1996 Olivier Award in the 'Outstanding Achievement in Dance' Category for her interpretation.

She toured Japan with Tetsuya Kumakawa and in the summers of 1994 and 1995 she organised, staged and starred in An Evening of British Ballet at the Sintra Festival in Portugal.

In March 2001, she was invited to star in the triple bill Nijinsky Ritrovato at the Rome Opera House, dancing the Chosen Maiden in Rite of Spring and alongside Carla Fracci in Jeux.

Over its first two years, ADI worked with over 250 artists from outside the Royal Opera House and facilitated collaborations across art forms and between independent choreographers and classical dancers.

ADI shared the 2001 Time Out Award for Outstanding Achievement in Dance with Wayne McGregor for Symbiont(s), premiered in the Clore Studio Upstairs in June 2000.

In addition, she managed ROH Collections, the Royal Opera House's extensive archives, and was focused on the organisation's Olympic planning and audience engagement strategies.

In January 1996 she debated at the Oxford Union, opposing the motion 'This House Believes the National Lottery Gives Too Much Money to the Elitist Arts'.

The motion was heavily defeated, a triumph which the Evening Standard attributed largely to 'the eloquence of a ballerina, unaccustomed to public speaking', describing her speech as 'cogently argued and delivered with generosity of spirit'.

The Vitality Plan, (Dorling Kindersley, January 1998) was published simultaneously in the United States as Totally Fit, and has since been translated into seven languages.

In June 2001, she presented the Eurovision Young Dancers 2001 competition from the Linbury Studio Theatre, broadcast to 18 European nations as well as on BBC2 and BBC Knowledge.

She is a patron of the National Osteoporosis Society, Foundation for Community Dance and Escape Artists (a theatre company of paroled and ex-prisoners), sits on the voard of the Prix de Lausanne and is an honorary vice president of Voices of British Ballet.