Marcel Kroese is a marine biologist that has worked in a number of roles in the marine environment from classic research to law enforcement for government agencies as well as international NGOs. He has been involved in innovation in fisheries management, primarily working on the management of tuna fisheries and their impacts on sharks and marine mammals. Because of the high levels of illegal and unreported fishing in many fisheries, he pivoted to working on monitoring, control, and surveillance in a law enforcement capacity.