I am professionally involved in the simulation of pedestrian flows, evacuation processes, and crowd dynamics management. You will easily figure out where I'm from :-) (see below).
http://physik.uni-wuerzburg.de - I started studying physics there
http://physics.sunysb.edu - second affiliation
http://www.trafffic.uni-duisburg.de - there I did my PhD (on evacuation analysis for passenger ships).
http://www.traffgo-ht.de - the company I've co-founded
Articles
editI co-authored (in wikipedia)