Christian Wagner studied cello and modern languages before focusing on vocal studies with Claudia Eder in Mainz, where he participated in masterclasses in oratorio and Lieder with Andreas Scholl, Cheryl Studer, Rudolf Piernay, Ton Koopman and Masaaki Suzuki.
Wagner specialises in Baroque music and German, English and French Lieder. As soloist he has performed in the Rhine-Main area, Baden-Württemberg and Berlin. He regularly sings with ensembles such as the Vocalconsort Berlin and the Amsterdam Baroque Choir, and performs Liederabend with pianist Stewart Emerson in Berlin.