The 2019–’20 season brought his debut as the title role of Mozart's La clemenza di Tito in Bregenz under the baton of Karsten Januschke. Engaged in his second year of the International Opera Studio of the Staatsoper Stuttgart, he made many debuts with the company in roles including Wagner/Nerèo in critically celebrated new productions of Boito’s Mefistofele, the Zeremonienmeister in Prokofiev’s Die Liebe zu den Drei Orangen, Remendado in Bizet’s Carmen, Le comte de Lerme in a new production of Verdi’s Don Carlos, the brother in the acclaimed production of Weill’s Die sieben Todsünden staring the controversial “Pop-Provokateurin” Peaches, Don Curzio in a new production of Mozart’s Le nozze di Figaro, as well as roles in repertory productions of Ariodante, Pique Dame, and Der Schauspieldirektor. The seasons prior to his engagement with the Staatsoper Stuttgart, Christopher enjoyed an international schedule of concert and operatic work, bringing him to New York City for concerts featuring the cantatas of Bach conducted by Ken-David Masur with the Chelsea Music Festival, to the Netherlands for performances of Franck’s Seven Words of Christ with the Haarlems Gemengd Koor, the Asian premiere of Moto Osada’s Four Nights of Dream at the Tokyo Bunka Kaikan to the praise of the New York Times, and to Greece for the documenta14 festival’s presentation of O+A’s Requiem for fossil fuels.