Julien is a senior commercial litigator with more than 20 years’ experience advising on and acting in complex commercial disputes involving contractual disputes, trade practices matters, insolvency matters, partnership disputes, and property disputes including planning and development issues. Julien's expertise spans strategic and succession advice as well as dispute resolution.
Julien is well-known for specialising in all aspects of commercial dispute resolution, insolvency and corporate and commercial law. His experience encompasses matters relating to company law, competition and consumer law, contract, intellectual property, professional negligence, insurance law, land law, medical research and innovation, insolvency, liquor and gaming and defamation. As well as providing advice and representation in the traditional role of solicitor, Julien has substantial experience acting in the role of advocate in contested proceedings and representing clients in mediation and arbitration.
Julien works with SMEs, large corporations, high net worth individuals, partnerships, insolvency practitioners and charitable organisations. Julien has a substantial referral practice working with financial service providers in Newcastle and Sydney.
Julien is a graduate of Arts (first class honours) and Law from the University of Sydney. He is also a current member of the NSW Law Society and NSW Bar Association.
After graduating in 1996, Julien was admitted to the NSW Bar in 1998 and WA Bar in 2001. As a barrister he was junior counsel in significant commercial litigation including the Bell litigation and the Lehman Brothers litigation. He also practiced in equity and defamation as a barrister. In 2009 Julien moved to private practice and was appointed a partner in a national mid-tier firm in Newcastle. In 2015, with Seamus Burke, he established Laycock Burke Castaldi Lawyers, a successful commercial and employment law practice in Newcastle. In 2020, Laycock Burke Castaldi merged with Sparke Helmore.
Julien enjoys outback travel into remote Australia and coastal camping with his family as well as skiing trips to New Zealand and Japan. He has a passion for provincial cooking and Italian wine. Julien enjoys getting immersed in a Scandi Noir thriller and is a keen follower of politics and current affairs. Julien is past President and current member of the Executive of the Hunter Junior Rugby Union and is heavily engaged with grass roots Rugby Union in the Hunter Region.