Jeffrey is a Conservation Biologist working at the Peruvian NGO ProDelphinus. His research interests focus on understanding the interactions of Peruvian fisheries with threatened and endangered marine fauna, including sea turtles, seabirds, marine mammals, and sharks. These interests include multidisciplinary work to understand the spatial and temporal distribution of species and their population status; monitoring and management of fisheries; and research and experimentation on bycatch mitigation. His work always emphasizes working with local stakeholders to promote long-term sustainability. He is a member of the IUCN’s Marine Turtle, Otter, Shark, and Cetacean Specialist Groups, Species Coordinator for the marine otter (Lontra Felina), a member of the ACAP-Seabird Bycatch Working Group, and Associate Editor in Marine Megafauna for Frontier in Marine Science. He has extensive experience with international research; his work to date has resulted in more than 75 peer-reviewed papers, as well as numerous other reports, book chapters, and conference presentations. He also holds drone pilot accreditation in Peru.