At the age of 16, Julia won an open scholarship to study the cello with Florence Hooton at the Royal Academy of Music. During this time, she won many awards including the Suggia Award and the Leverhulme Chamber Music Scholarship. Under the direction of Sydney Griller, she was a founder member of the all-female Fairfield String Quartet. For ten years the quartet toured Britain and Europe, winning the Prague International Spring Festival and regularly broadcasting on Radio 3. On leaving the Quartet, she became Co-Principal Cello with the London Mozart Players, regularly playing as Guest Principal with other London orchestras.
With a lifelong passion for inspiring and working with young people, Julia enjoyed teaching a large school of private students, as well as running numerous music courses with LMP viola colleague and husband Michael Posner and taking on the role of Education Manager for LMP in 2013.
In 2016 she was appointed Executive Director of the LMP leading it through the Pandemic. In January 2022, Julia was awarded “Orchestral Manager of the Year” by the Association of British Orchestra, and an MBE in the platinum jubilee birthday honours list for her services to music. In July this year she became the Executive Director of the Countess of Munster Musical Trust carrying on her passion to help the next generation of young musicians.