Professor Weigand studied Mechanical Engineering at the Technical University of Darmstadt, where he was also research assistant at the Institute for Technical Thermodynamics. After his Ph.D. in 1992, he was employed at ABB Power Generation LtD in Baden / Switzerland. There he was responsible for the cooling design of all new gas turbine blades and for the basic research on Heat Transfer and Cooling. Since 1999, he is Professor for Thermodynamics at the University of Stuttgart.