Staff A-Z

We have passionate and committed staff dedicated to caring for the children at Great Ormond Street Hospital.

Mark Gaze

Dr Mark Gaze has been a Consultant Clinical Oncologist at Great Ormond Street Hospital (GOSH) since 1993. He is also a consultant at University College Hospital, where radiotherapy for children from GOSH is delivered.

He is Chairman of the Children's…

Mark Heathfield

Mark is a Paediatric Clinical Nurse Specialist who works within the Neurodisability team at Great Ormond Street Hospital (GOSH).

Mark graduated from Keele University in 2006 with a DipHE in Children’s Nursing. He worked at Great Ormond Street Hospita…

Marta Neil

Marta Neil is a highly specialist child and adolescent psychotherapist within the Parenting and Child Service in the Department of Child and Adolescent Mental Health at Great Ormond Street Hospital.

Martin Kostolny

Mr Martin Kostolny trained at the Heart Centre in Bratislava, Slovakia under Prof. Hraska and at the German Heart Centre Munich, Germany under Prof. Lange. In 2003 he spent a year as senior registrar at GOSH with Prof. deLeval, Prof. Tsang and Prof…

Martin Samuels

Dr Martin Samuels is a Consultant Respiratory Paediatrician with particular interests in respiratory control disorders, paediatric sleep disordered breathing and long term ventilation.

He has worked part-time at Great Ormond Street Hospital (GOSH) si…