His research and fieldwork lie at the nexus of conservation, development, natural resource economics, and human behavior. He is the author of over 60 peer-reviewed articles on topics such as poverty, health, ecosystem services, and biological conservation. He is also the author of two books, Valuing Ecosystem Services and A Field Guide to Economics for Conservationists. Fisher is a Rockefeller Foundation Bellagio Fellow. He earned an MSc in environmental change and management from Oxford University, and a PhD in natural resources from the University of Vermont.