Daniel Huybrechts is currently Professor of Mathematics at the University Denis Diderot in Paris. Brief career details: Studies of math at Humboldt University Berlin and Max-=Planck-Institute Bonn 1985-1992. Post-doctorial positions at Inst. for Advanced Study Priceton, Ecole Normale Supérieure Paris, Max-Planck-Inst Bonn, University Essen, IHES Paris. Professor: Cologne 1998-2002, Paris since 2002.