Krol Oleg was born in Minsk, 1947.
From 1954 to 1965 he studied at Lugansk secondary school № 7.
In 1970 graduated Voroshilovgrad Machine Building Institute by specialty “Semiconductor and electro vacuum machinery” and was qualified as mechanical engineer.
He participated in student building movement in Siberia.
From 1970 to 1974, worked as engineer-constructor in design institute “Dongiprouglemash”.
In 1971-1972 he served in the Soviet Army.
From 1974 works at Volodymyr Dahl East-Ukrainian National University.
In 1991 received a Ph.D. in Glushkov Cybernetics Institute to the Ukraine Academy of Sciences.
Since 2011, professor of Machine engineering and applied mechanics department.
Author of over 200 scientific and methodical works.
Certified expert in CAD APM «WinMachine».
During the time at the University: 2 textbooks with the stamp of the Ukrainian Ministry of Education and Science (in collaboration), 14 schoolbooks with the stamp of the Ministry, 11 monographs (the monograph “3D Modeling of Machine Tools for Designers” was published in English by the Bulgarian Academy of Sciences with DOI digital object identifier: https://doi.org/10.7546/3d_momtfd.2018 ), 221 article (8 of which are in the SCOPUS rating), 34 patents, 1 software in the State Fund of Algorithms and Programs No. 50890001267, has the Hirsh index 3.
In the ranking of university scientists has ranks high: 2012 – 8th place; 2013 – 5th place; 2014 – 2 th place; 2015 – 2 th place; 2016 – 9th place; 2017 – 2 th place.
In the ranking of University lecturer among the professors for the 2016–2017 academic year ranked the 4th place; for the 2017–2018 academic year ranked 7th).
Awarded: Medal of the Exhibition of Economic Achievements (1985), honorary badge of the regional administration “For the Development of the Region” (2007), Certificate of Honor of the Lugansk Regional Administration and Lugansk Regional Council (2009), Diploma of the Education and Science Department of the Lugansk Regional State Administration in 2018 year.