Serguei Kouchnerov (born 22 June 1960 in Rahachow, Belarusian SSR) - artist, animator, director, story artist and screenwriter. He started his career as an animator and director in Kiev, Ukraine. In 1992, he was hired by Walt Disney Feature Animation as a character animator and came to the United States of America, where he currently lives and works at Illumination Entertainment. Using only the above description and what you know about the world, "Serguei Kouchnerov  was an artist, animator, director, story artist, screenwriter and engineer" is definitely correct, incorrect, or inconclusive? 