From 1992 he began to exhibit his works in Germany in Nuremberg Culture Centre and in Bavarian art galleries. During this period Oleg entered the National Union of Ukrainian Artists as a young painter. After that, Oleg Poberezhnyi took active part in Pantomime World festivals in Stuttgart with his personal exhibitions in 90s. Clowns and performance became one of the creative ideas of the artist. Oleg Poberezhnyi has his own theory of color in art. He was awarded the Prize of Honorable Mention in Japanese Design Foundation in 1992. Then during 10 years Oleg became the finalist of such competitions as 'Berlin's wall'(architect, Germany), 'WOGG' (interior design, Switzerland), took part in design competitions in Japan, Greece, Germany, France, where his ideas were always noticed. Oleg Poberezhnyi is a representative of Kharkov school of art, one of the strongest in Ukraine and Russia. He constantly exhibits his works in the National Union of Ukrainian Artist, in art galleries of Kiev and Kharkov. More than 5000 artworks are keeping in private collections in Ukraine, Russia, Germany, USA, Israel, Poland, France.