Katie McCallum



Katie was admitted to practice in 2016 and was called to the Bar in 2025. Prior to coming to the Bar, Katie worked as a solicitor in both private practice and in-house as a senior solicitor advising on complex high profile contentious and non-contentious matters.

Katie accepts briefs in all areas of the law and has expertise in general commercial litigation, administrative law, regulatory matters (both criminal and civil penalty), environmental law, planning, building and construction, and property.

She has practical experience in a wide range of civil litigation, administrative and criminal proceedings and resolved disputes through alternative dispute resolution including mediation, conciliation and negotiated settlements.

Katie lectures at the University of Technology primarily in Ethics Law and Justice and volunteers at the Marrickville Legal Centre in its civil advice clinic.

Katie brings a strong legal and commercial mind to each matter with a focus on the critical issues and encourages a collaborative and strategic approach to litigation.

Robert Turnbull



Robert’s principal areas of practice are commercial, construction, transport, public law and white-collar crime disputes.  He has a particular expertise in arbitration, as counsel and tribunal secretary.

Robert accepts briefs to advise and appear throughout Australia and abroad.

Before the Bar, Robert practised in disputes in London at Slaughter and May and in Sydney at Clayton Utz.  Before that, he was tipstaff to the Hon P A Bergin AO, Chief Judge in Equity and Tribunal Secretary to Professor Doug Jones AO, international arbitrator.

His clients have ranged from individuals to large listed companies, governments to small charities, across many areas of the economy.

He was educated at the Universities of Sydney and Cambridge.

Bill Ilkovski



Bill Ilkovski, having worked as a solicitor for 7 years, commenced as a barrister in October 2007. He read on 8th Floor Wentworth Chambers.  He appears in all of the courts and most tribunals in New South Wales and in federal courts and tribunals as well.   He also regularly appears in courts of other states and territories.

The disputes work for which he has expertise is work that has a predominant commercial or trading element.  This includes contracts disputes, property related disputes, building and construction disputes, or trade practices disputes in which he has acted for private individuals, corporations and governments.  He also take briefs and has expertise in dust diseases, administrative law and regulatory offences matters.