Ian Harrison obtained his Ph.D. in systematic ichthyology at the University of Bristol, UK. He has conducted research on marine and freshwater fishes from several parts of the world, including fieldwork in Europe, Central and South America, West and Western Central Africa, the Philippines, and the Central Pacific. He has worked for Conservation International (CI) and IUCN’s Global Species Programme and is currently the Freshwater Specialist for the CI’s Moore Center for Science, where he is helping develop CI’s Freshwater Science Strategy as well as CI’s broader, institutional-wide Freshwater Initiative. He is also the Technical Officer for the IUCN SSC Freshwater Fish Specialist Group, and co-chair of the IUCN-SSC Freshwater Conservation Committee. He has published over 50 scientific papers and book/report chapters on the biology and conservation of fishes, and conservation of freshwater ecosystems.