Dr. Jeffrey Sayer is an ecological scientist with long experience in natural resource conservation in tropical countries. Jeff has worked both in practical conservation organisations and in universities in Europe, Australia and Canada. Jeff headed the Forest Conservation Program at the International Union for Conservation of Nature and later was the founding Director General of the Center for International Forestry Research. Jeff is currently a professor in the Department of Conservation and Forest Sciences at the University of British Columbia and is researching drivers of long-term change in tropical forest landscapes.