Su is a Senior Research Fellow at King's College London and an Honorary Consultant Dermatologist at St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London. Her research focuses on the development and clinical application of advanced (cell and gene-based) and repurposed therapeutics for epidermolysis bullosa (EB) and psoriasis, bridging rare genetic and common inflammatory skin diseases to accelerate science that impacts lives.

Su led the world's first fibroblast gene therapy clinical trial and pioneered the preclinical development of the first spray-on gene therapy for EB. Building on these advances, she applies cell-based therapeutics to drive durable disease modification and immune reset in psoriasis, particularly in severe treatment-refractory disease. As a model of therapeutic cross-pollination, she leads the world’s largest drug repurposing trial in EB — “Advancing Repurposed Therapeutics for EB (ART-EB)” – delivering the first personalised treatment strategy matching psoriasis-derived biologics to EB immune profiles.

Su also serves as Guest Editor for the Journal of Investigative Dermatology Global Health Special Issue (2025-2026). She is the Founder and Director of the national dermatology course "A Day @ St John’s", a leading training platform for aspiring dermatologists, and Co-Founder of the Burma Skincare Initiative charity, which promotes equitable global dermatology collaborations and access to quality skin care.

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