Dr John Achermann

Dr John Achermann is a highly distinguished Consultant Paediatric Endocrinologist and Professor of Paediatric Endocrinology based in London. Specialising in the complex field of Paediatrics, he is dedicated to diagnosing and managing endocrine disorders in children. His clinical practice and research focus heavily on hormone-related conditions, ensuring that young patients receive precise, evidence-based care tailored to their developmental needs.

With a deep focus on paediatric endocrinology, Dr Achermann has particular expertise in differences in sex development and congenital adrenal hypoplasia. His work integrates advanced scientific discovery with clinical care, particularly in the areas of human adrenal and reproductive biology, endocrine genetics, and genetic mechanisms of disease. He is committed to improving care pathways, education, and support for families navigating these rare and complex conditions.

Dr Achermann completed his medical training at the University of Cambridge, qualifying in 1991. He went on to specialise in paediatric endocrinology in London, obtaining his Doctor of Medicine in 1997, and later completed a Doctor of Philosophy in molecular biology in Chicago, USA. He is a Fellow of the Royal College of Physicians and a Fellow of the Royal College of Paediatrics and Child Health, and holds a Diploma in Child Health. His extensive academic background and professional affiliations reflect his standing as a leading authority in his field.