Fellow in paediatric glaucoma 1989-1994, concurrent with PhD in ocular wound healing and advanced therapies to prevent scarring

Largest tertiary referral experience for surgery in complex young adult and paediatric glaucoma in the UK

Developed several new treatments and surgical techniques from discoveries in the laboratory used around the world, including the Moorfields Safer Surgery System for glaucoma

Director, National Institute of Health Biomedical Research Centre at Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology