Since his debut with the Orchestre de la Suisse Romande in 1998, Vienna-born Thomas Rösner has made a name for himself as an internationally sought-after conductor of concerts and opera .

He has been invited to numerous important orchestras, festivals and opera houses, such as the Bavarian State Opera in Munich, the Semperoper in Dresden, Stuttgart State Opera, Zurich Opera, Théâtre de la Monnaie in Brussels, the Grand Théâtre de Genève, Opéra National de Lyon, the Théâtre du Châtelet in Paris, Welsh National Opera, Houston Grand Opera, Korean National Opera, the NCPA in Beijing, the New National Theatre in Tokyo and at the festivals of Glyndebourne, Edinburgh, Quebec and Bregenz.

Thomas Rösner was chef associé of the Orchestre National de Bordeaux, principal conductor of the Biel Symphony Orchestra and is founder and artistic director of the Beethoven Philharmonic. He has conducted the Deutsches Sinfonieorchester Berlin, Wiener Symphoniker, Mozarteum Orchester Salzburg, City of Birmingham Symphony Orchestra, Scottish Chamber Orchestra, Houston Symphony, Bergen Philharmonic, Orchestre National du Capitole de Toulouse, Orchestre de chambre de Lausanne, Philharmonia Prag, Warsaw Philharmonic, Sinfonia Varsovia, Toscanini Filarmonica Parma, the Violons du Roy in Montreal and the Sinfonietta Israel.

His current and future projects include concerts with the Beethoven Philharmonie at the Vienna Musikverein, in Switzerland, Slovenia or Italy as well as invitations to the Bern Symphony Orchestra, the Rubinstein Philharmonic in Lodz, Istanbul State Orchestra, Suzhou Symphony, the Tonkünstler Orchestra, at the Grafenegg Festival as well as to the Palau de la Musica in Barcelona, the Maifestpiele Wiesbaden or to Jerusalem. Opera productions take him to the NCPA in Beijing, the Opéra National du Rhin in Strasbourg, the Latvian National Opera in Riga  and the Theater Bern.

His discography includes a wide repertoire on DVD and CD. Partners of these recordings are the Bamberg Symphony Orchestra, Vienna Symphony Orchestra, Polish National Radio Orchestra, Biel Symphony Orchestra and the Beethoven Philharmonic Orchestra. His CD "Haydn-Arias & Overtures" won the Juno Award in Toronto. A Wagner and Richard Strauss CD with Daniel Behle and the Borusan Istanbul Philharmonic Orchestra will be released by Prospero in December 2023.