Prof Donal O’Shea is a consultant endocrinologist at St Vincent’s University Hospital (SVPH) and a leading academic in metabolic health and obesity medicine. He is also a Clinical Professor at University College Dublin, where his work focuses on improving outcomes for people living with obesity, diabetes, and related metabolic conditions.

Prof O’Shea is widely recognised for his role in advancing the understanding of obesity as a complex, chronic disease, advocating for evidence-based, patient-centred approaches to treatment. He has been closely involved in shaping national and international policy in this area, contributing to guidelines and initiatives that aim to improve care pathways and reduce stigma.

In addition to his clinical and academic roles, Prof O’Shea has held key leadership positions within healthcare organisations and professional bodies, helping to drive innovation in service delivery and public health strategy. His work spans clinical practice, education, and research, with a strong focus on translating scientific insight into practical improvements in patient care.

A respected voice in Irish healthcare, he is a regular speaker at national and international conferences on obesity, metabolic health, and preventative care.