Data Monitoring committee member and Trial Statistician for: Intravitreal Tissue Plasminogen Activator (tPA), Perfluoropropane (C3F8), and Ranibizumab for the Treatment of Neovascular Age-Related Macular Degeneration and Submacular Haemorrhage (TAPAS): A Multi-Centre, Randomized, Double-Masked, Sham-Controlled, Factorial, Feasibility Study. Principal investigator: Professor Tim Jakson, King’s College Hospital.