Loznitsa was born September 5, 1964 in the city of Baranovichi, in Belarus. At that time Belarus was part of the Soviet Union. Later Loznitsa family moved to Kiev, Ukraine, where finished high school.
In 1987 he graduated from Kiev 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.