From 1936 to 1938 he was an auditor of the Leningrad Arts Academy. It was in Leningrad where the creative buildup of Vereysky as an artist took place. Here the artist and teacher Alexander Osmerkin was Orest’s second mentor after his father. In 1940 Orest Vereisky moved to Moscow to live and work there.
 

During the Great Patriotic War he worked in the editorial board of the Krasnoarmeyskaya Pravda (Red Army Truth) newspaper, where he got acquainted and made friends with Aleksandr Tvardovsky. He was a full member of the USSR Arts Academy (1983) and a corresponding member of the USSR Arts Academy (1958).
 

Vereisky is known for his book graphic art illustrations, but easel graphic art also took an important place in his creativity. He is the author of a series of drawings, water colors, and autolithographs, created as a result of his world traveling and diverse in subjects.

Orest Vereisky died on January 2, 1993 and was laid to rest in the Kuntsevsky Cemetery in Moscow.