Han Wu is a Research Associate in the FinTrust group at Newcastle University, directed by Prof. Aad Van Moorsel. Before joining the FinTrust group at Newcastle University, he received a PhD degree of computer science from the Free University of Berlin. Han worked on the performance and reliability evaluation of streaming data processing strategies using machine learning models, and is now interested in the risk assessment of AI-based systems. His current research interests also focus on reinforcement learning and distributed ledgers.