John Fokker is a Principal Engineer and Head of Cyber Investigations for the Advanced Threat Research. Prior to joining the team, he worked at the National High Tech Crime Unit (NHTCU), the Dutch national police unit dedicated to investigating advanced forms of cybercrime. Within NHTCU he led the data science group, which focused on threat intelligence research. During his career he has supervised numerous large-scale cybercrime investigations and takedowns. Fokker is also one of the cofounders of the NoMoreRansom Project. He started his career with the Netherlands Police Agency as a digital forensics investigator within a task force against organized crime. Before joining the national police, he served in the special operations and counterterrorism group of the Royal Netherlands Marine Corps.