Our Directors

Dr Michael O’Sullivan is a Clinical Immunology/Allergy Specialist and Immunopathologist at Fiona Stanley Hospital, Perth Children's Hospital and PathWest in Perth, WA.

Michael completed his undergraduate medical degree at UWA, and returned to Perth to complete his advanced training in clinical immunology, allergy and immunopathology after spending time at John Hunter and Liverpool Hospitals in NSW during his basic physician training.

Michael was a Director of the Australasian Society of Clinical Immunology and Allergy (ASCIA) from 2016-2026, including as ASCIA President from 2024-26.

Maria Said has been a member of Allergy & Anaphylaxis Australia (A&AA) since 1993. As a volunteer, she became CEO of the organisation in 1999 and then in 2004 she became a paid employee of A&AA. Maria is a registered nurse with experience in emergency and paediatric nursing.

As an advocate for individuals who live with the risk of anaphylaxis, Maria has presented on the recognition, management and emergency treatment of anaphylaxis. She shares information on the mission of the organisation, the consumer perspective and, allergic disease including food allergy and anaphylaxis, to teaching & health professionals, the food industry, federal and state government departments and the Australian community.

Maria is a member of the Australasian Society of Clinical Immunology and Allergy (ASCIA) and holds a position on several working parties. She has co-authored several publications in medical and food industry journals. Maria is a member of the International Food Allergy and Anaphylaxis Alliance Committee and a committee member of the European Academy of Clinical Immunology and Allergy Patient Organisation Committee.

As CEO of A&AA, Maria has been called to assist State Coroners as an expert witness in up to ten inquests or coronial investigations. The unfolding of these investigations has resulted in change throughout Australia.

Dr Melanie Wong is a Paediatric Allergist, Immunologist and Immunopathologist. She is a senior staff specialist and head of the Department of Allergy and Immunology at the Children’s Hospital at Westmead. Melanie has had longstanding involvement with both the National Allergy Strategy and the National Immunodeficiency Strategy. She is a past President of the Australasian Society of Clinical Immunology and Allergy (ASCIA).

Michael is an experienced corporate lawyer, and a partner of Clayton Utz based in Melbourne. Michael regularly advises significant Australian and foreign companies on mergers and acquisitions, corporate compliance and governance matters. Michael also has significant experience in advising organisations operating in the health care industry, and is Chair of Allergy & Anaphylaxis Australia.