Brian qualified in 1983 from Cambridge University Medical School. He entered Ophthalmology in 1985 and worked at St Thomas' Hospital initially, then as a Registrar in the Oxford Eye Hospital. He completed his training as a Senior Registrar and Specialist Registrar in glaucoma in 1993. He was appointed to the Royal Free and Whittington Hospitals in 1994.
His particular interests are in cataract surgery and glaucoma. He runs post-graduate training courses in small incision cataract surgery at European and International meetings.