Dr. Fisher has published research on ants since 1986. He is a leading authority on the application of modern methods to biodiversity and conservation. His current research centers in Madagascar where he initiated the Biodiversity Center Project in collaboration with Park Tsimbazaza. He has conducted research in Madagascar since 1992, and for the last six years has been the lead scientist on the National Science Foundation-funded arthropod inventory of Madagascar project. He has trained a cadre of Malagasy University students in entomology and conservation biology. His specialty within entomology is the diversity and evolution of ants. He has published over 50 peer reviewed articles in scholarly journals and books. He is currently Associate Curator of Entomology at the California Academy of Sciences and adjunct research professor of biology at the University of California at Berkeley. He has appeared in a number of BBC, Discover Channel, and National Geographic films.