Oleg Maisenberg was a Soviet and Austrian pianist and music teacher. He was born in 1945 in Odesa, and a few months after his birth his family settled in Chișinău.
He began studying piano at the age of five under the guidance of his mother, Ada Arnoldovna Maisenberg. He studied at the E. Coca Special Music School in Chișinău with Evsei Zak, then at the G. Musicescu Moldavian State Institute of Arts with Lyudmila Vaverko. From 1966 to 1971 he studied at the Gnessin Musical-Pedagogical Institute in Moscow with Alexander Iokheles.
From 1971 to 1981, Maisenberg was a soloist of the Moscow Philharmonic. From 1981 he lived in Vienna.
In his teaching career, he was professor of piano at the Stuttgart University of Music from 1985 to 1998. From 1998 he was a professor at the University of Music in Vienna. Among his students were Markus Hinterhäuser, Roland Krüger, and Till Fellner.
Maisenberg was a prize-winner of the International Schubert Competition. He was an honorary member of the Wiener Konzerthaus Society from 1995 and was awarded the Austrian Cross of Honour, First Class, in 2005.
He died on 16 April 2026 in Vienna at the age of 80. His wife was Evgenia Markovna Maisenberg, daughter of the composer Mark Fradkin.