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Leanne Duffy

Position: Ecosystem Scientist - La Jolla Headquarters
Ecosystem & Bycatch Program

858 665-4910



  • Responsible for the compilation of the Ecosystem Considerations Report.
  • Supporting the research activities of the Ecosystem and Bycatch Program.


  • Master of Advanced Studies, Marine Biodiversity and Conservation, Scripps Institution of Oceanography, University of California San Diego, USA, 2007
  • B.Sc., Bridgewater State College, Bridgewater MA, USA, 1998


Leanne Fuller joined the staff in 2007 in the role of Laboratory Technician to support the IATTC’s ecosystem research activities. Currently, she works as an Ecosystem Scientist under the Ecosystem and Bycatch Program. Leanne supports the duties of the program by conducting research on trophic ecology, ecological monitoring and developing comprehensive databases to populate key parameters in Ecological Risk Assessments and ecosystem models. This work facilitates ecosystem-related analyses that align with IATTC’s responsibilities mandated by the Antigua Convention. Leanne’s interests also include exploring potential drivers of change in the trophic ecology of the target tunas as well as species caught as bycatch in the EPO.


  • Climate Impacts on Oceanic Top Predators-Integrated Marine Biogeochemistry and Ecosystem Research (CLIOTOP-IMBER), Working Group 3 – Trophic pathways in the open ocean ecosystems