Dr. Bilal Mateen is the Executive Director of Digital Square at PATH. Bilal is a physician by training, with an academic interest in health-related applications of data science and machine learning. He holds an honorary professorial appointment at University College London, and clinical data science fellowship at the Alan Turing Institute – the UK’s national institute for data science and AI. He served as the clinical technology lead, and senior manager for digital technology at the Wellcome Trust, where his team worked on funding digital public goods and the software infrastructure that underpins the science to address three key health challenges: mental health, the impacts of climate change on human health, and emerging & escalating infectious diseases.