After the his post graduate education Oleg was invited as a teacher on piano faculty. Now he combines his teaching in it with the concert's practice. His students have been awarded a number of prizes in different international competitions.
Oleg Vainshtein was the 1st prize of the 4th International piano competition ""Adilia Alieva"" (Gaillard, Geneva, 2004) and the 5th prize of the 6th European Chopin Piano Competition (Darmstadt, Germany, October 1999)
He took part in masterclasses with Prof. Fiorillo (St. Petersburg, 1998), M. Rostropovich (St. Petersburg, 2004), Prof. J.-F. Heisser (St. Jean-de-Luz, 2004) and many more.
Oleg gave concerts in France, Germany, Poland, St. Petersburg, Khabarovsk, Nigniy Novgorod and Moscow. He played as soloist with Honored Academic orchestra of Saint Petersburg Philharmony (conductor Leo Kremer), Saint Petersburg State Conservatory orchestra (conductor A. Sladkovskiy) and also took part in the productions of Mariinskiy Opera Theatre as a solo pianist under the direction V.Gergiev.
Oleg Vainshtein also gives a lot of attention to chamber music and has been performing with such famous partners as Russian singer Vasiliy Gerello, singers Irina Vasilyeva, Timur Abdikeev, Sergey Zykov, Vladimir Alexandrovich, cellists Dmitriy Khrychev, Alexey Vasilyev, the Atrium quartet, the Hermitage quartet, the Taneev quartet, the Expromt quintet, and pianists Andrey Ivanovich, Stanislav Solovyev.