Günter Wagner is a native of Vienna, Austria, and the Alison Richard Professor Emeritus of Ecology and Evolutionary Biology. He is a chemical engineer by training and studied zoology and mathematics at the University of Vienna. In 1991 he joined Yale’s Department of Biology as full professor and in 2010 he started the Yale Systems Biology Institute. After his retirement he resumed teaching and research at the University of Vienna and became a fellow at the Institute of Advance Study at Texas A&M University. His research interests include the evolution of pregnancy, and the evolutionary biology of cancer as well as conceptual aspects of evolutionary biology. GPW is a Mac Arthur Fellow, member of the US National Academy of Sciences, the American Academy of Arts and Sciences, a.o.m..