Justin is a PhD student at the Network Science Institute (London) supervised by Prof. Riccardo di Clemente and Prof. Andrew Hone. Using network science and machine learning techniques, his work focuses on characterizing, modelling and inferring complex human interactions in very large real-world systems. Prior to joining NetSI, Justin received his MSc Social Data Science at the Oxford Internet Institute (OII), University of Oxford working on data quality problems and its impacts on covert network interventions.