Bert Zwart received his PhD at Eindhoven University of Technology in 2001 and has held appointments at INRIA, Eindhoven, and Georgia Tech before he moved to the center of Mathematics and Computer Science (CWI) in Amsterdam. At CWI he leads the Probability and Stochastic Networks group. Bert has a professor position at VU University Amsterdam, and is also affiliated at EURANDOM and Georgia Tech. His honors include an IBM faculty award, the Erlang prize, and VENI and VIDI awards from the Dutch Science Foundation (NWO). Bert is area editor of Stochastic Models at the journal Operations Research and is co-EIC of the new journal Surveys in OR/MS.