Professor Dan Chambers

Clinical Director

MBBS MRCP FRACP MD

Professor Dan Chambers is Clinical Director of Allergy First and one of Australia's leading respiratory physicians, with expertise spanning allergy and immunology, interstitial lung disease, lung transplantation and complex respiratory disorders. He combines extensive clinical experience with an internationally recognised research career, ensuring patients have access to the latest evidence-based and emerging therapies.

Professor Chambers is the Mayne Professor of Medicine and Deputy Head of the UQ Medical School at The University of Queensland. He also leads research within the Queensland Lung Transplant Program and heads one of the world's largest clinical trial programs in pulmonary fibrosis. He has published more than 200 peer-reviewed papers and is internationally recognised for his contributions to respiratory medicine, immunology and translational research.

At Allergy First, Professor Chambers provides clinical leadership, helping ensure patients receive high-quality, evidence-based care through a multidisciplinary approach focused on accurate diagnosis, personalised management and the latest advances in allergy and respiratory medicine.

Dr Ryan Sommerville

Ear, Nose & Throat (ENT) Surgeon

BSc, Post Grad Dip (P Health), MBBS, FRACS (OHNS)

Dr Ryan Sommerville is an ENT Surgeon with a special interest in paediatric and adult ENT, as well as anterior and lateral skull base surgery. He has extensive experience managing patients with chronic rhinosinusitis, allergic rhinitis and other upper airway disorders, bringing an important multidisciplinary perspective to our allergy service.

Dr Aaron Chambers

Clinical Director & General Practitioner

BSc, MBBS(Hons), FRACGP, Dip Child Health, GAICD

Dr Aaron Chambers is Clinical Director of Allergy First and a general practitioner with special interest in Allergy and Immunology. Dr Chambers has worked in General Practice since 2006. He is passionate about family practice including Allergy, Immunology, Paediatrics and Obstetric care.

Evi Bitran

Managing Director

RN, GAICD, MBus

Evi Bitran is Managing Director of Allergy First and has been working in the healthcare sector for the past 16 years. During his career, Evi has managed several hospitals at executive levels and led extensive quality improvement systems such as ISO 9001, ACHS, and NSQHS national standards. Evi is an associate member of the Australian Society of Clinical Immunology and Allergy (ASCIA). Evi is passionate about introducing quality, affordable and accessible allergy healthcare services to the community.