doctor of science, author of more than 50 science publication related to niobium and niobium alloys production, years of experience with Niobium – 35 years, participated in launch of niobium production at “UMZ” (Kazakhstan) during 1977-1988 and “SILMET” (Estonia) in 1981-1987. Had a working experience with Irtysh Chemical Metallurgical Plant – ISMP (the asset).