Sergei Loznitsa (Belarusian: Сяргей Уладзіміравіч Лазніца, Russian: Серге́й Влади́мирович Лозни́ца, Ukrainian: Сергій Володимирович Лозниця) (born 5 September 1964) is a Ukrainiandirector known for his documentary as well as dramatic films.
Loznitsa was born on 5 September 1964 in the city of Baranovichi, in Belarus. At that time Belarus was part of the Soviet Union. Later the Loznitsa family moved to Kiev, Ukraine, where Loznitsa finished high school.
In 1987 he graduated from Kyiv Polytechnic Institute as a mathematician. Between 1987 and 1991 he worked in the Institute of Cybernetics. He developed expert systems, systems of design-making and work on artificial intellect. At the same time he worked as a translator from the Japanese.