He is an expert in stochastic processes, a jury member in various mathematics competitions, and an author of numerous problems proposed at the competitions. Alexander Kukush is a full Professor at the Department of Mathematical Analysis in the Faculty of Mechanics and Mathematics at Taras Shevchenko National University of Kyiv. He is an expert in mathematical and applied statistics and an elected member of the International Statistical Institute. Prof. Kukush co-authored a problem book titled Theory of Stochastic Processes (ISBN:978-0-387-87861-4) published with Springer, and has authored numerous problems proposed at the mathematics competitions.