Mark Williamson

Nathan specialises in providing commercial and regulatory compliance advice to clients in the international trade and transport, shipping, maritime, logistics, commodities and offshore industries. He advises his clients in relation to all aspects of commercial law, liability, regulation and dispute resolution, with a particular focus on the carriage of goods by sea, charter parties and contractual arrangements, commercial terms, ship arrest and admiralty, regulatory and oil spill prosecution,...

Nicola Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Government Practice and Public Law. Nicola, who practices law in Sydney, Australia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicola is held by other top lawyers in the same geographic and legal practice area.

Ron Kessels is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Ron, who practices law in Sydney, Australia, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ron is held by other top lawyers in the same geographic and legal practice area.

Luis Izzo is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. Luis, who practices law in Sydney, Australia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luis is held by other top lawyers in the same geographic and legal practice area.

Duncan has over 30 years’ experience in construction / infrastructure, mining, arbitration, planning, commercial, insurance and common law disputes and advice work. His practice is mainly concerned with construction-related and insurance disputes covering buildings, roads, railway infrastructure and rolling stock, mining and manufacturing, processing operations, ports, airports and pipelines, and in planning and environmental disputes for both councils and developers. Duncan is a panel ...

John was admitted as a solicitor in 2013 and called to the bar in 2023. He has a diverse practice across commercial, public, and criminal law. Before coming to the Bar, John was a Senior Associate in the litigation team at Arnold Bloch Leibler. He acted for companies and individuals on a wide range of commercial disputes, regulatory investigations and enforcement action, white collar criminal matters, and public inquiries. Prior to joining ABL in 2020, John was a senior solicitor at the North...

Warwick Gilbertson is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Warwick, who practices law in Newcastle, Australia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Warwick is held by other top lawyers in the same geographic and legal practice area.

John is a senior corporate and commercial lawyer who has specialised in technology and intellectual property law for over 25 years. He is a partner in the Corporate and Commercial team at Hall & Wilcox. John advises clients on commercial transactions and legal disputes in the fields of IT, telecommunications and media. His expertise covers all the legal issues associated with the use of technology in business and government, including licensing, privacy and data protection, copyright, bra...

Recognised as an Accredited Specialist in Immigration Law by the Law Society of New South Wales, Lillian has been practising law since 1997. Lillian is admitted as a solicitor in the Supreme Court of New South Wales and the High Court of Australia. Lillian’s experience in the field of immigration is extensive – from employer-sponsored work visas, entertainment and distinguished talent visas, partner and family migration, through to tribunal appeals, representations to the Australi...

Marial Lewis is one of Australia's top immigration lawyers. She is an accredited specialist in Immigration Law by the Law Society of NSW as well as two times winner of the prestigious Lawyers Weekly 30 under 30 in 2021 and 2022 and the 2020 John Gibson Award - Young Migration Lawyer of the year by the Law Council of Australia. She was also named as a finalist in various national awards including, Partner of the year in migration and innovation, rising star of the year for the Australasian Law...