Sergey Vladimirovich Polyakov (Russian: ?????? ???????????? ???????, born May 3, 1951 in Kharkiv, Ukrainian SSR, Soviet Union) is a Russian-American scientist performing research for USPolyResearch.
He is best known for his R&D in space technology and chemical engineering including the theoretical and experimental studies of the performance of life support systems (LSS) for Soviet interplanetary spaceships and the MIR and ALPHA orbital stations using a ground-based Martian expedition real-scaled simulator on YouTube in the Institute for Biomedical Problems (Russian Space Agency Center).
Developed an integrated approach to the design of air revitalization and water reclamation/conditioning system from human wastes on the basis of energy-efficient membrane and depth-filtration methods (membrane evaporation, ultra/micro filtration, reverse osmosis).