Spyros supports an awesome team protecting Facebook users, publishers and advertisers from fraud and bad experiences. Previously, Spyros had worked at IBM Research for 7 years, where he worked on large scale semantic data management and reasoning and Semantic Data Management for Smarter Cities. He also led teams working on person-centric cognitive systems and Artificial Intelligence applied to the domains of Healthcare and Social Care, using a combination of techniques, such as neural networks, recommendation systems, knowledge bases and reasoning to solve difficult industry problems.