David Konstantopoulos

Tom Brennan SC specialises in conducting major disputes. Recent disputes conducted by him include: concerning claims to foreign state immunity in civil aviation regulatory, commercial, insurance and leasing disputes; disputes with Australian federal government regulatory agencies including the Australian Competition and Consumer Commission, the Australian Securities and Investments Commission, the Australian Communications and Media Authority, the Australian Pesticides and Veterinary Medicine...

Rohan is a partner in our Sydney office and leads Mills Oakley’s Government and Administrative Law team. Rohan is an experienced solicitor in government and public and administrative law. He has over 20 years’ experience in advising and representing Commonwealth officers, Departments and agencies on sound decision-making procedures, merits and judicial review litigation, statutory interpretation, policy development and implementation and access to information. Rohan is also very e...

Callan O'Neill is a lawyer recognized by Best Lawyers in the practice area of Sports Law. Callan practices law in Sydney, Australia Best Lawyers has recognized Callan O'Neill since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Callan O'Neill is held by other lawyers.

Jason Ling, founder and principal of Agape Henry Crux , is one of 56 Accredited Specialist Immigration Lawyers in Australia. A migrant himself, Jason combines exceptional legal expertise with a personal understanding of the immigration journey. His path to becoming the 41st Accredited Specialist in Immigration Law in NSW—after multiple failed attempts—reflects his “never give up” approach to even the most challenging cases. With a legal career beginning in 2007, Jason ...

Adam Casselden SC is a lawyer recognized by Best Lawyers in the practice areas of Sports Law and Transportation Law. Adam practices law in Sydney, Australia Best Lawyers has recognized Adam Casselden SC since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Adam Casselden SC is held by other lawyers.

Warwick Painter is a Corporate partner in our Sydney office. Warwick has particular expertise in corporate law, managed funds, financial services regulation and equity capital markets, including capital raisings and ASX listings, corporate restructuring, listed and unlisted managed investment schemes, real estate investment trusts (REITS), the regulation and conduct of financial markets and mergers and acquisitions of businesses. Warwick brings to his clients a wealth of experience in corpora...

Stuart Simington is a lawyer recognized by Best Lawyers in the practice areas of Land Use and Zoning Law and Planning and Environmental Law. Stuart practices law in Sydney, Australia Best Lawyers has recognized Stuart Simington since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Stuart Simington is held by other lawyers.

Lisa Morrissey is a lawyer recognized by Best Lawyers in the practice area of Insolvency and Reorganization Law. Lisa practices law in Sydney, Australia Best Lawyers has recognized Lisa Morrissey since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Lisa Morrissey is held by other lawyers.

Mark is an experienced and reliable silk practising in tax, equity and trusts, commercial law, public and administrative law, and professional regulation. His clients include individuals, trustees, corporations and government authorities. He is sought out in particular for advice on international, Federal and State taxation and on trusts in tax and non-tax situations. He holds a PhD from Sydney in international tax law and teaches advanced international tax in the Melbourne Law Masters progra...

As an experienced commercial lawyer, Robert has significant experience in providing immigration and other legal advice and visa services to Australian and multinational companies in sectors such as financial services, mining and resources (including off-shore oil and gas), information technology and telecommunications, retail, science and engineering, and health. Robert served as the firm’s Regional Managing Partner for Asia Pacific from 2011 to 2016 and Managing Partner of the Australi...