Ayman Guirguis

Bill Madden is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence and Personal Injury Litigation. Bill, 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 Bill is held by other top lawyers in the same geographic and legal practice area.

Lyn has broad corporate and commercial experience, with significant expertise advising on complex corporate transactions. Her commercial experience has focused on intellectual property and information assets which have involved various technologies and regulatory regimes. Lyn’s experience also includes developing and implementing privacy and information security policies and negotiating contracts for the exploitation of information assets. She has significant experience in privacy and s...

Brad Quillan is a top attorney recognized by Best Lawyers in the practice area(s) of Occupational Health and Safety Law and Personal Injury Litigation. Brad, who practices law in Sydney, Australia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brad is held by other top lawyers in the same geographic and legal practice area.

Daniel Robinson is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Professional Malpractice Litigation. Daniel, who practices law in Sydney, Australia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Sylvia acts for a broad range of clients including State-owned corporations, listed companies, professional services firms and government bodies. Her regulatory practice spans matters involving ASIC, ASX, APRA, ACCC, SafeWork NSW, ICAC, the National Heavy Vehicle Regulator and the Australian Pesticides and Veterinary Medicines Authority. She is based in Sydney and is Junior Vice President of the Law Society of New South Wales for 2026, first elected to the Council in 2021. Sylvia advises on h...

Cherie is an Accredited Immigration Law Specialist and has focused on immigration exclusively since 2000. She has extensive experience in corporate migration across a range of industry sectors as well as private client matters, including complex health and character issues. Cherie provides immigration guidance on a wide range of scenarios. This includes advising start-ups, small and medium enterprises, government agencies and international and major corporations regarding appropriate visa man...

Geoff acts for State governments, major construction and infrastructure entities, and international consortia on landmark and multi-billion dollar projects. Geoff advises on all legal aspects of construction, infrastructure, public-private partnerships, alliancing and defence materiel procurement. He is experienced in the negotiation, documentation and administration of major construction, civil engineering, resources, defence and privately funded infrastructure projects, together with allian...

Tim Breakspear SC has a commercial practice with a speciality in major infrastructure, mining, gas and construction projects. In that field he has significant expertise in disputes involving delay and disruption. He also acts in general commercial matters, with experience in disputes involving issues of contract law, misrepresentation, restitution, estoppel and negligence. He conducts hearings in Australian commercial courts and tribunals, and in international arbitrations. He appears regular...

Helen Tieu is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Professional Malpractice Litigation. Helen, who practices law in Sydney, Australia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Helen is held by other top lawyers in the same geographic and legal practice area.

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 ...