Professor Helen Reddel is a Conjoint Professor in the Sydney School of Public Health at the University of Sydney. She earned her Bachelor of Medicine and Bachelor of Surgery (MB BS) from the University of Sydney in 1977 and a PhD in Medicine from the same university in 2000, with a thesis on studies leading to the development of a simple index of peak expiratory flow variation. She is also a Professor and NHMRC Leadership Fellow in the Macquarie Medical School within the Faculty of Medicine, Health and Human Sciences at Macquarie University. At the Woolcock Institute of Medical Research, she serves as Research Leader in the Clinical Management Group and Director of the Australian Centre for Airways disease Monitoring (ACAM) since January 2021. As a respiratory physician, Professor Reddel works at Royal Prince Alfred Hospital and has been a Visiting Medical Officer with the Sydney Local Health District since 1992.

Professor Reddel chairs the Science Committee of the Global Initiative for Asthma (GINA), where she leads evidence-based updates to asthma management guidelines emphasizing patient-centered and practical recommendations. Her research interests encompass population monitoring of asthma and chronic obstructive pulmonary disease (COPD), clinical studies on airways disease diagnosis and management, a multinational longitudinal observational study of 15,000 patients to elucidate disease mechanisms for targeted therapies, and qualitative investigations into patient perspectives on mild and severe asthma. She focuses on enhancing the quality of prescribing and use of respiratory medications in primary care, improving patient-health professional communication, and developing practice-oriented guidelines. Notable publications include "Global Initiative for Asthma Strategy 2021" (2022), "A Practical Guide to Implementing SMART in Asthma Management" (2021), "Burden of uncontrolled severe asthma with and without elevated type-2 inflammatory biomarkers" (2024), "Prevalence and characteristics of adults with preserved ratio impaired spirometry (PRISm): data from the BOLD Australia study" (2025), and "Optimizing asthma care in low-to-middle income countries through multisectoral collaboration" (2024). In 2024, she was appointed a Member of the Order of Australia (AM) for significant service to respiratory medicine and medical research.

Professional Email: hred3068@sydney.edu.au