He sang in the world premiere of Lucia Ronchetti's Inferno at the end of last season. During 2021/22 he can be heard as the Messenger in Oedipus Rex, the Mayor and Husband in new productions of Rimsky-Korsakov's Die Nacht vor Weihnachten / The Night Before Christmas and Schönberg's Warten auf Heute / Waiting till Tomorrow, and he repeats his portrayal of Aeneas in Dido and Aeneas. He recently added two roles to his repertoire: Eurymaque in Fauré's Pénélope and Don Pomponio in Rossini's La gazetta (both new productions) and repeated his portrayal of the Narr / Jester in a Křenek triple bill. Other new roles were the Count in Strauss' Capriccio, Music Teacher in Ariadne auf Naxos, Bogdanowitsch in Die lustige Witwe / The Merry Widow and Rudolf in a new production of Schreker's Der ferne Klang / The Distant Sound (available on CD - OehmsClassics). This versatile baritone, a member of the ensemble for many years, also enjoyed great success with Handel's Giulio Cesare, Telemann's Orpheus and Creonte in Cesti's LʼOrontea (CD – OehmsClassics), Mozart's Don Giovanni, Guglielmo, Almaviva and Papageno, Dr. Falke (Die Fledermaus) and Basil Basilowitsch in Der Graf von Luxemburg (CD - OehmsClassics), Hel Helson in Britten's Paul Bunyan, Háraschta in Das schlaue Füchslein / The Cunning Little Vixen (CD - OehmsClassics), Jaroslav Prus in Die Sache Makropulos / The Makropoulos Case, Barone Tito Belcredi in Trojahn's Enrico, Sebastian in Adès’ The Tempest and Ingo in the world premiere of Herrmann's Der Mieter / The Tenant - commissioned by Oper Frankfurt. Sebastian Geyer recently sang the title role in Schumann's Szenen aus Goethe's Faust at the Lucerne Festival and Millöcker's Gasparone at the Volksoper in Vienna. He was under contract to Theater Heidelberg before moving to Frankfurt. Other recent guest engagements have included appearances at the Stuttgart and Wiesbaden state operas, the Opéra de Lausanne, Theater Luzern and Schwetzingen's rococo theatre. He teaches singing at the University for Music in Zurich.