Dr Ali Fisher is Explorer of Extreme Realms at Human Cognition. He specializes in delivering insight into complex information ecosystems through innovative approaches, network analysis, and big data. In the past 10 years Ali has worked with a range of organisations seeking to track and counter the behavior of extremists online and illegal uses of the internet. Ali built BlackLight which has delivered data on core ISIS communication networks. He has written numerous articles on Public Diplomacy and Strategic Communication and a book Collaborative Public Diplomacy, which examines collaborative strategies for dealing with complex problems.