Valentina Lass earned her M.M. from Moscow State Conservatory in piano performance and piano pedagogy. She taught at the Prokofiev School of Music in Moscow.

She was a founding member of Piano Trio of Moscow Concert Organization, which performed classical and contemporary music in twenty-eight countries and appeared in televised performances in the Soviet Union, Germany, Denmark, Holland, Finland, and Hungary. The Piano Trio of Moscow Concert Organization was an award-winner at the International Competition of the Youth, and the National Competition of Musicians (Moscow) and made recordings in Russia, Germany, and Denmark, etc.

She has served as an accompanist for Wheaton College, and the Brookline Community Choir, is a member of New England Piano Teachers Association (NEPTA) and the Music Teachers National Association.  Lass has taught master classes and judged competitions, most recently serving as a judge for the 2013 Steinway Society of Massachusetts Piano Competition.  Valentina Lass is currently a faculty member at the New England Conservatory of Music, Preparatory School and School of Continuing Education, where she teaches piano and chamber music.

M.M. piano performance and piano pedagogy (Moscow State Conservatory); piano studies with Natanson and Feinberg; organ studies with Goedicke and Rosiman.