Vadym Poliakov is a Ph.D., Doctor of Sciences (Engineering), Professor, Chief Researcher at the Institute of Hydromechanics of the National Academy of Sciences of Ukraine, and Chief Researcher at the Institute of Water Problems and Reclamation of the National Academy of Sciences of Ukraine. Author of two monographs, textbooks, and more than 300 scientific works in foreign and domestic publications. He researches water purification problems using physicochemical and biological methods, and the dependence of the formation of water and nutrient regimes of agricultural lands in climate change conditions. Vadym Poliakov develops, using mainly analytical methods, engineering methods for forecasting the development of soil regimes against the background of reclamation drainage, substantiating the design of water treatment facilities (rapid filters, biofilters), and technologies for the removal of various pollutants (organic, suspended, nitrogen).