Martin Hellwig is director emeritus at the Max Planck Institute for Research on Collective Goods. He held academic positions at Stanford University (1973-74), Princeton University (1974-77), the University of Bonn (1977-87), the University of Basel (1987-96), Harvard University (1995-96), the University of Mannheim (1996-2004), and, since 2004, the Max Planck Institute for Research on Collective Goods.