Ralf Rachbauer was born in Linz, Austria and studied at the Vienna University of Performing Arts and Cologne Conservatoire. During his studies, he performed at the Städtische Bühnen Münster, the Vienna Volksoper, with the WDR Radio Orchestra under Michael Jurowski and at Theater Aachen in roles such as Monostatos and Bardolfo. As prize-winner at the Kammeroper Schloss Rheinsberg in Brandenburg International Singing Competition, he sang Pedrillo in Mozart's "Entführung aus dem Serail". He was a guest at the Opéra Bastille in Paris in "Arabella", and sang at Cologne Opera in "Die Meistersinger von Nürnberg", in Prokofiev's"»War and Peace", as well as Manol in the new opera "Border" by Ludger Vollmer. He has been an ensemble member at Cologne Opera since the 2012/13 season, performing roles such as Trabuco in Verdi's "La forza del destino", Jamie/Lord Boxington in "My Fair Lady", Pietro in Franz Schreker's "Die Gezeichneten" and Dr. Blind in "Die Fledermaus". Previous roles in Wiesbaden include the One-Eyed Man in "Die Frau ohne Schatten" and Second Priest / First Armoured Man in "Die Zauberflöte". During the 2018/19 Wiesbaden season, he performed Kunz Vogelgesang in "Die Meistersinger von Nürnberg", Governor and Ragotzky in "Candide", Fourth Jew in "Salome", and Father in "Seven Deadly Sins". This season, he returns as Remendado in "Carmen", Steward to the Marschallin and Faninal in "Der Rosenkavalier", as well as Trucker, Doctor and member of the Marshall Family in "Anna Nicole".