Consultant in paediatric bone marrow transplantation at Great Ormond Street Hospital, with expertise in managing children with malignant and non-malignant disorders (immunodeficiencies/inborn errors metabolism).

Principal Investigator in phase II study on Pharmacokinetics of Treosulfan.

Principal Investigator in phase I study on Radio-immunotherapy with Yttrium-90.

Chief Investigator in phase 2 study on Radio-immunotherapy with Yttrium-90 in children with high risk leukaemia.

Principal Investigator in phase II study on use of Defibrotide in BMT.

Principal Investigator in phase II study on BMT in X-ALD.

Co-chief investigator in a phase 2 study on stem cell gene therapy in cerebral ALD.

Principal Investigator in phase 2 study on use of Nomacopan in paediatric TMA.

Principal Investigator in retrospective European study on BMT in CGD.

Immune reconstitution after umbilical cord blood transplantation.

Pharmacokinetics of Busulfan.

Co-investigator in phase I study on use of autologous CD19/22CAR-T cell therapy in ALL.

Co-investigator in phase II study on use of allo CD19 CAR T cell therapy in ALL

Lead on national anti-fungal guidelines in paediatric BMT