Leighton O'Brien

Darren is a corporate partner with more than 20 years’ experience (including five years in London) in all aspects of a range of corporate transactions, including: mergers and acquisitions – private acquisitions and disposals, joint ventures, partnerships, off-market takeovers, schemes of arrangements, capital reductions, restructures and share buy-backs equity capital markets – IPOs, delistings, capital raisings and rights issues funds management – advising on and esta...

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...

Tim Concannon is a top attorney recognized by Best Lawyers in the practice area(s) of Motor Vehicle Law. Tim, who practices law in Sydney, Australia, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tim is held by other top lawyers in the same geographic and legal practice area.

John leads Holman Webb’s national dispute resolution group in Sydney. He is recognised for his expertise and technical ability in all aspects of dispute resolution including arbitration and mediation. He advises upon issues arising in a wide range of matters including constitutional law (Court of Disputed Returns), administrative law (professional conduct, discrimination, taxation appeals, ASIC reviews, FOS appeals), securities enforcement, insolvency, Corporations Act, Australian consu...

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...

Michael Astill is a top attorney recognized by Best Lawyers in the practice area(s) of Construction / Infrastructure Law, Government Practice, Litigation, Planning and Environmental Law and Real Property Law. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.

Stephen McMahon is a top attorney recognized by Best Lawyers in the practice area(s) of Agriculture and Rural Affairs. Stephen, who practices law in Sydney, Australia, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen is held by other top lawyers in the same geographic and legal practice area.

Anne is one of Australia’s leading superannuation and financial services lawyers. Anne provides advice in relation to superannuation fund regulatory reform as well as superannuation fund product offerings, licensing, disclosure, fee arrangements and outsourcing arrangements.She is well connected to, and well known by, many superannuation and financial services industry participants. Anne has strong relationships with her clients and works hard at understanding their business, and to be ...

Frank Hicks SC is a top attorney recognized by Best Lawyers in the practice area(s) of Construction / Infrastructure Law and Real Property Law. Frank, who practices law in Sydney, Australia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frank is held by other top lawyers in the same geographic and legal practice area.

Stephen is a well-respected commercial litigation lawyer with almost 30 years’ experience. His area of specialisation is in corporate and commercial dispute resolution, with a particular focus on complex debt, consumer law, contract, corporations law, equity, real property and regulatory investigations. Stephen has represented both public and private companies across a range of industries and issues, in the Supreme Court, the Federal Court and High Court, and has led large-scale matters...