Mangi is a Principal Consultant at MRAG and an Environmental Economist with over twenty years’ practical experience in conducting social and economic impact assessments, evaluating different fisheries management tools (restrictions on gears, fishing effort and closed areas) in sustaining fisheries, and quantification and valuation of ecosystem services. His research links marine ecology with economics thereby bridging the gap between scientific research and management of ecosystems. He has in-depth understanding of marine ecosystems management and keen on environmental, social and economic research that includes engagement at all levels with the local community, industry, managers, scientists and interest groups. His research interests are in pressing issues including fisheries, marine conservation and global climate change and resource user conflicts. He has considerable experience of managing cross-institutional and interdisciplinary projects in the Western Indian Ocean, Mediterranean Sea, United Kingdom and Caribbean Sea.