Born in St Petersburg, Olga is a member of one Russia's most prominent art families. Her paternal grandfather, Professor Oreshnikov, was Rector of the Academy of Fine Arts in St Petersburgh 1953-1978. He was also one of the leading artistic figures in the city and a member of the Soviet Academy.
Olga's maternal grandfather was Roman Kotlarevsky, a renowned composer and professor of composition at the Conservatory of Music. Her parents and close relatives are all painters, art historians or practising musicians.
Olga's artistic talents emerged very early in her childhood and were nurtured by her family. Her early work was exhibited in the Composer's House and in the Academy of Science when she was 10 and 12 years old.
She became a student at the Academy of Fine Arts and graduated with an MA degree in Fine Arts in 1987. Her work was seen in several exhibitions in St Petersburg in the following 3 years, and she started work as an illustrator of children's books.
This experience allowed her to draw upon her love of fabiles, legends, religious stories and folklore, and combine these sources with her inner self and her work as an artist.
In 1990, Olga emigrated to Israel where she works under her new name Tamor Or. She works in tempura, watercolour and gouache in a unique style. Her paintings are humorous, symbolic and serious in content, meticulously executed and with a fresh and dreamlike quality.