A concert directed by Yehudi Menuhin in 1996 launched Wallisch’s international career: accompanied by the Sinfonia Varsovia, the seventeen-year-old pianist performed Beethoven’s ‘Emperor’ Concerto.
Since then Wallisch has received invitations to the world’s most prestigious concert halls and festivals: Carnegie Hall New York, Wigmore Hall in London, the Cologne Philharmonie, the Tonhalle Zurich, and the NCPA in Beijing, also the Ruhr Piano Festival, the Beethovenfest in Bonn, the Festivals of Lucerne and Salzburg, the December Nights in Moscow, and the Singapore Arts Festival. Conductors with whom he has performed as a soloist include Giuseppe Sinopoli, Sir Neville Marriner, Dennis Russell Davies, Kirill Petrenko, Louis Langrée, Lawrence Foster, Christopher Hogwood, and Bruno Weil.
Orchestras he has performed with include the Vienna Philharmonic Orchestra, Vienna Symphony Orchestra, Royal Liverpool Philharmonic, Gustav Mahler Youth Orchestra, Frankfurt Radio Symphony, Festival Strings Lucerne, Franz Liszt Chamber Orchestra Budapest, Musica Angelica Baroque Orchestra Los Angeles, and the Stuttgart Chamber Orchestra.
In 2020 his recording of the Complete Beethoven-Piano Concertos on period instruments, with Orchester Wiener Akademie under Martin Haselböck was released to great critical acclaim and received an „Opus Klassik“-nomination.
After teaching positions at the Geneva University for Music and the Franz Liszt Music Academy in Budapest, Gottlieb Wallisch currently serves as professor for piano at the Berlin University of Arts (UdK Berlin).
He held master-classes at the Universities of Illinois and Denver, the Nagoya College of Music, the Royal Danish Academy of Music in Copenhagen, the St. Petersburg Conservatory and the International Summer Academy of the Mozarteum Salzburg.