[3] Oseledets was educated in Russia, receiving an M.Sc from the Moscow Institute of Physics and Technology in 2006, and a Ph.D. from the G.I.
Marchuk Institute of Numerical Mathematics[4] of the Russian Academy of Sciences in 2007.
On February 7, 2019, Russian President Vladimir Putin presented Oseledets with an award for, proposing breakthrough computational technology for solving multidimensional problems in physics, chemistry, biology, and data analysis based on tensor expansions.
[5] In April 2022, Oseledets was elected to receive the honorary title, Professor of the Russian Academy of Sciences.
His grandfather, Ivan Bezhaev, was associate professor at the Moscow State University and reached the rank of lieutenant general in the Soviet Union's Red Army where he was responsible for various mathematical projects involving cryptography.