Ulf Dieckmann is director of the Evolution and Ecology Program (EEP) at the International Institute of Applied Systems Analysis (IIASA) in Laxenburg, Austria. He is working on the theory of adaptive dynamics, fisheries-induced evolution, speciation theory, spatial ecology, life-history theory, evolutionary algorithms, and on problems in theoretical evolutionary ecology. Ulf Dieckmann received his bachelor's degree in physics and his master's degree in theoretical physics from the University of Aachen, Germany. He completed his PhD research on theoretical biology at Leiden University, the Netherlands, and obtained his Habilitation (venia legendi) in biomathematics from the University of Vienna. He has worked at Stanford University and the Xerox Palo Alto Research Center, California, USA, the Research Center Julich, Germany, the University of York, UK, Leiden University, the Netherlands, and the University of Vienna, Austria. He has been a visiting professor at the University of Montpellier, France, and a research fellow at the Institute for Advanced Study, Wissenschaftskolleg zu Berlin, Germany.