Stephan Dempe is Professor at Institut für Numerische Mathematik und Optimierung, TU Bergakademie Freiberg. He has got a Promotion Award from the Deutsche Akademie der Naturforscher Leopoldina in 1994. His research interests include theory/algorithms for nondifferentiable, nonconvex and for discrete optimization problems, parametric optimization, bilevel optimization and applications of mathematical optimization. Dempe is a regular member of MOS, SIAM and GOR. Also he is a member of the Editorial Board of the journals “Optimization”, “Communications in Optimization Theory”, “Applied Mathematics and Computation”. He has published a large amount of papers devoted to Bilevel programming including two books. Also, he has supervised 15 PhD students between 1996 and 2015.