Mark Henderson is Director of Corporate Affairs at Wellcome Trust, a global charitable foundation whose mission is to tackle some of the most urgent health challenges we all face today through high-quality scientific research. Before that, he had a 15-year career in journalism at The Times, where he was Science Editor and won several awards for his reporting.

Helen Sims is Science Writer at Wellcome Trust. She has worked in the medical communications sector for nearly 10 years, and has supported clients including Novo Nordisk, Roche and Takeda Pharmaceuticals. Helen studied Biomedical Science at Cardiff University and, prior to embarking upon her writing career, was part of the Neurodegenerative Diseases Drug Hunting Team at Eli Lilly and Company, UK.