Corinne E. O'Sullivan

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...

Justin Hogan-Doran SC FCIArb FACICA is a Senior Counsel of the Australian Bar and an Arbitrator in international and domestic arbitrations, based at 7 Wentworth Selborne Chambers in Sydney, Australia. He is recognised by his peers as a highly accomplished barrister and arbitrator with expertise in international and cross-border litigation, international commercial arbitration, investor-state disputes and private & public international law. He also has an extensive practice acting and advi...

After 12 years at the Bar, combining advocacy and mediation work, Deborah commenced full time practice as a mediator in 2016. Deborah has been conducting mediations since 2000, initially as a court appointed mediator/Registrar of the Supreme Court and from 2004 in private practice. Deborah is an accredited mediator under the Australian National Mediator Standards and is appointed to both the Supreme and District Court mediation panels. She was a member of the ADR Committee of the Bar Associat...

Beth Jarman is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Beth, 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 Beth is held by other top lawyers in the same geographic and legal practice area.

Michael is highly regarded for his corporate and commercial law expertise with a particular focus on financial services, insurance, reinsurance, capital markets, health and medical defence mutuals. Michael advises insurers, futures and commodities dealers, non-bank financial institutions, broking houses, health funds, health and medical service providers, medical defence mutuals, medical indemnity insurers and reinsurers. He regularly deals with regulators such as ASIC, APRA, Treasury, ASX an...

Craig is a planning and environment Partner in our National Property and Development team. He is experienced in all areas of planning, development, environment, contaminated land, heritage, water, pollution, waste, compulsory acquisition, and workplace health and safety law. Craig is also experienced in the preparation and conduct of litigation in the NSW Land & Environment Court and other specialist Courts and Tribunals across Australia. In addition, Craig has significant expertise in AF...

Simon Jeans is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Simon, who practices law in Sydney, Australia, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Simon is held by other top lawyers in the same geographic and legal practice area.

Zara has practised insurance law and litigation in NSW for over 20 years. Before joining Holman Webb as Special Counsel in 2010 Zara was Special Counsel at Henry Davis York. Zara is experienced in a broad range of insurance practice areas including medical negligence, coronial inquiries, administrative review and disciplinary proceedings, injury liability, property and commercial claims, marine insurance and defamation. Her current focus is in professional indemnity, medical negligence and di...

Callan O'Neill is a top attorney recognized by Best Lawyers in the practice area(s) of Sports Law. Callan, 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 Callan is held by other top lawyers in the same geographic and legal practice area.

Stewart Levitt is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law. Stewart, who practices law in Surry Hills, Australia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stewart is held by other top lawyers in the same geographic and legal practice area.