**Gurami Tsitsiashvili**

Gurami Tsitsiashvili, Dr. Science, is currently a Professor at the Institute for Applied Mathematics, the Far Eastern Branch of the Russian Academy of Sciences, Russia. He received an M. Sc. in Mathematics and Physics from Moscow Physic Technical Institute in 1972 and a Ph.D. in Mathematics and Physics from the Institute for Applied Mathematics, the Far Eastern Branch of the Russian Academy of Sciences in 1976. In 1992, he achieved Dr. Sci. in Mathematics and Physics with a Rehabilitation Thesis "Decomposition Analysis of Complex Systems". In 1972, he was stationed in the Far East division of the Russian Academy of Sciences, where he has worked until now, starting as a trainee-researcher and later becoming the Deputy Director of Science at the Institute of Applied Mathematics of the RAS. He is the author of more than 200 works, including four monographs, one textbook and more than 110 articles in international peer-reviewed magazines. He studies complex systems, mass service system stability, cooperativity in multiple stochastic systems and multiplicative theorems for queueing networks.
