Staff A-Z

We have a passionate and committed staff dedicated to caring for the children at Great Ormond Street Hospital. To find out more about a member of staff, their clinical specialty or to contact them, please use the search below.

Mandy Bryon

Dr Mandy Bryon is a Consultant Clinical Psychologist and Joint Head of the Paediatric Psychology and Play Services at Great Ormond Street Hospital (GOSH), London, UK.

Sarah Rand

Sarah Rand is a Specialist Paediatric Cystic Fibrosis Physiotherapist at Great Ormond Street Hospital (GOSH). She graduated from the Royal College of Surgeons in Ireland in 2003 with a BSc (Hons) in Physiotherapy.

Tony Sirimanna

Dr Tony Sirimanna is a Paediatric Audiological Physician. He has worked at Great Ormond Street Hospital (GOSH) for sixteen years and is currently head of the Audiology, Audiological Medicine and Cochlear Implant Department.

Sean Ledger

Sean Ledger works in the Cystic Fibrosis (CF) Unit at Great Ormond Street Hospital (GOSH). He is a Senior Paediatric Respiratory Research Physiotherapist and Exercise Specialist, and a PhD candidate at the UCL Institute of Child Health (ICH).

Simon Critchlow

Simon Critchlow is a Consultant and Specialist in Restorative Dentistry who recently joined the team at Great Ormond Street Hospital. He is the lead Restorative Dentist in the North Thames region for cleft lip and palate patients and a founder member of the Restorative Dentistry Cleft Clinical Excellence Network.