SZ has received his PhD from Moscow State university in 1988. Worked in Russia, France, UK and now in Sweden. Numerous works in Applied Probability and Statistics, in particular, on percolation, stochastic geometry, telecommunications modeling, stochastic stability and optimization, experimental design. Holder of a number of research grants, including the majour 2013-2018 KAW grant "Big data and big systems - bridging local and global". Associated editor of Queueing systems journal.