Has performed with the Berlin Philharmonic, Chicago Symphony Orchestra, Philadelphia Orchestra, Royal Concertgebouw of Amsterdam, the five London orchestras, Orchestre de Paris, Israel Philharmonic, the Munich Bavarian Radio Orchestra and others. He has worked with conductors such as Ashkenazy, Boulez, Svetlanov, Dorati, Gergiev, Giulini, Jansons, Muti, Pappano, Rozhdestvensky, Salonen, Temirkanov, Tilson Thomas and Klaus Tennstedt.
Dmitri Alexeev was an Artistic Director of the Leeds International Recital Series, and for the season 2013-14 – an Artistic Director (Artist in Residence) of a concert series in Arnhem and Nijmegen, in the Netherlands.
Alexeev has been a juror for a number of prestigious International Piano Competitions, including Leeds, Chopin (Warsaw), Van Cliburn, Santander, Beethoven (Vienna), Tchaikovsky (Moscow). He teaches at the Royal College of Music in London and gives masterclasses around the world.
Member of the jury of the XVI International Television Contest for Young Musicians 'The Nutcracker', discipline ‘Piano’.