Gillian is a graduate of the London School of Economics having completed a bachelor of English and French Law (LLF) in 1993. She was admitted to practice in England and Wales in 1996 and was a partner in a London practice. Within her family law practice Gillian undertook child abduction and other international child cases in the High Court in London.
Gillian emigrated to Perth in 2005. She was admitted to practice in the Supreme Court of New South Wales in 2008 and in the Supreme Court of Western Australia in 2009. Gillian was admitted to the High Court of Australia in 2009.
Since being admitted in Australia Gillian has practiced exclusively in family law.
Gillian is an Australian, British and French national and is bilingual in French.
Gillian is an accredited lawyer of the French Consulate in Sydney.